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vl.c: Fix Coverity complaining for vmstate_dump_file
[mirror_qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 #ifdef CONFIG_VNC
162 const char *vnc_display;
163 #endif
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int semihosting_enabled = 0;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 int nb_numa_nodes;
190 int max_numa_nodeid;
191 NodeInfo numa_info[MAX_NODES];
192
193 uint8_t qemu_uuid[16];
194 bool qemu_uuid_set;
195
196 static QEMUBootSetHandler *boot_set_handler;
197 static void *boot_set_opaque;
198
199 static NotifierList exit_notifiers =
200 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
201
202 static NotifierList machine_init_done_notifiers =
203 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
204
205 bool xen_allowed;
206 uint32_t xen_domid;
207 enum xen_mode xen_mode = XEN_EMULATE;
208
209 static int has_defaults = 1;
210 static int default_serial = 1;
211 static int default_parallel = 1;
212 static int default_virtcon = 1;
213 static int default_sclp = 1;
214 static int default_monitor = 1;
215 static int default_floppy = 1;
216 static int default_cdrom = 1;
217 static int default_sdcard = 1;
218 static int default_vga = 1;
219
220 static struct {
221 const char *driver;
222 int *flag;
223 } default_list[] = {
224 { .driver = "isa-serial", .flag = &default_serial },
225 { .driver = "isa-parallel", .flag = &default_parallel },
226 { .driver = "isa-fdc", .flag = &default_floppy },
227 { .driver = "ide-cd", .flag = &default_cdrom },
228 { .driver = "ide-hd", .flag = &default_cdrom },
229 { .driver = "ide-drive", .flag = &default_cdrom },
230 { .driver = "scsi-cd", .flag = &default_cdrom },
231 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
232 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
233 { .driver = "virtio-serial", .flag = &default_virtcon },
234 { .driver = "VGA", .flag = &default_vga },
235 { .driver = "isa-vga", .flag = &default_vga },
236 { .driver = "cirrus-vga", .flag = &default_vga },
237 { .driver = "isa-cirrus-vga", .flag = &default_vga },
238 { .driver = "vmware-svga", .flag = &default_vga },
239 { .driver = "qxl-vga", .flag = &default_vga },
240 };
241
242 static QemuOptsList qemu_rtc_opts = {
243 .name = "rtc",
244 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
245 .desc = {
246 {
247 .name = "base",
248 .type = QEMU_OPT_STRING,
249 },{
250 .name = "clock",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "driftfix",
254 .type = QEMU_OPT_STRING,
255 },
256 { /* end of list */ }
257 },
258 };
259
260 static QemuOptsList qemu_sandbox_opts = {
261 .name = "sandbox",
262 .implied_opt_name = "enable",
263 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
264 .desc = {
265 {
266 .name = "enable",
267 .type = QEMU_OPT_BOOL,
268 },
269 { /* end of list */ }
270 },
271 };
272
273 static QemuOptsList qemu_trace_opts = {
274 .name = "trace",
275 .implied_opt_name = "trace",
276 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
277 .desc = {
278 {
279 .name = "events",
280 .type = QEMU_OPT_STRING,
281 },{
282 .name = "file",
283 .type = QEMU_OPT_STRING,
284 },
285 { /* end of list */ }
286 },
287 };
288
289 static QemuOptsList qemu_option_rom_opts = {
290 .name = "option-rom",
291 .implied_opt_name = "romfile",
292 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
293 .desc = {
294 {
295 .name = "bootindex",
296 .type = QEMU_OPT_NUMBER,
297 }, {
298 .name = "romfile",
299 .type = QEMU_OPT_STRING,
300 },
301 { /* end of list */ }
302 },
303 };
304
305 static QemuOptsList qemu_machine_opts = {
306 .name = "machine",
307 .implied_opt_name = "type",
308 .merge_lists = true,
309 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
310 .desc = {
311 {
312 .name = "type",
313 .type = QEMU_OPT_STRING,
314 .help = "emulated machine"
315 }, {
316 .name = "accel",
317 .type = QEMU_OPT_STRING,
318 .help = "accelerator list",
319 }, {
320 .name = "kernel_irqchip",
321 .type = QEMU_OPT_BOOL,
322 .help = "use KVM in-kernel irqchip",
323 }, {
324 .name = "kvm_shadow_mem",
325 .type = QEMU_OPT_SIZE,
326 .help = "KVM shadow MMU size",
327 }, {
328 .name = "kernel",
329 .type = QEMU_OPT_STRING,
330 .help = "Linux kernel image file",
331 }, {
332 .name = "initrd",
333 .type = QEMU_OPT_STRING,
334 .help = "Linux initial ramdisk file",
335 }, {
336 .name = "append",
337 .type = QEMU_OPT_STRING,
338 .help = "Linux kernel command line",
339 }, {
340 .name = "dtb",
341 .type = QEMU_OPT_STRING,
342 .help = "Linux kernel device tree file",
343 }, {
344 .name = "dumpdtb",
345 .type = QEMU_OPT_STRING,
346 .help = "Dump current dtb to a file and quit",
347 }, {
348 .name = "phandle_start",
349 .type = QEMU_OPT_NUMBER,
350 .help = "The first phandle ID we may generate dynamically",
351 }, {
352 .name = "dt_compatible",
353 .type = QEMU_OPT_STRING,
354 .help = "Overrides the \"compatible\" property of the dt root node",
355 }, {
356 .name = "dump-guest-core",
357 .type = QEMU_OPT_BOOL,
358 .help = "Include guest memory in a core dump",
359 }, {
360 .name = "mem-merge",
361 .type = QEMU_OPT_BOOL,
362 .help = "enable/disable memory merge support",
363 },{
364 .name = "usb",
365 .type = QEMU_OPT_BOOL,
366 .help = "Set on/off to enable/disable usb",
367 },{
368 .name = "firmware",
369 .type = QEMU_OPT_STRING,
370 .help = "firmware image",
371 },{
372 .name = "kvm-type",
373 .type = QEMU_OPT_STRING,
374 .help = "Specifies the KVM virtualization mode (HV, PR)",
375 },{
376 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
377 .type = QEMU_OPT_SIZE,
378 .help = "maximum ram below the 4G boundary (32bit boundary)",
379 }, {
380 .name = PC_MACHINE_VMPORT,
381 .type = QEMU_OPT_BOOL,
382 .help = "Enable vmport (pc & q35)",
383 },{
384 .name = "iommu",
385 .type = QEMU_OPT_BOOL,
386 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
387 },
388 { /* End of list */ }
389 },
390 };
391
392 static QemuOptsList qemu_boot_opts = {
393 .name = "boot-opts",
394 .implied_opt_name = "order",
395 .merge_lists = true,
396 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
397 .desc = {
398 {
399 .name = "order",
400 .type = QEMU_OPT_STRING,
401 }, {
402 .name = "once",
403 .type = QEMU_OPT_STRING,
404 }, {
405 .name = "menu",
406 .type = QEMU_OPT_BOOL,
407 }, {
408 .name = "splash",
409 .type = QEMU_OPT_STRING,
410 }, {
411 .name = "splash-time",
412 .type = QEMU_OPT_STRING,
413 }, {
414 .name = "reboot-timeout",
415 .type = QEMU_OPT_STRING,
416 }, {
417 .name = "strict",
418 .type = QEMU_OPT_BOOL,
419 },
420 { /*End of list */ }
421 },
422 };
423
424 static QemuOptsList qemu_add_fd_opts = {
425 .name = "add-fd",
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
427 .desc = {
428 {
429 .name = "fd",
430 .type = QEMU_OPT_NUMBER,
431 .help = "file descriptor of which a duplicate is added to fd set",
432 },{
433 .name = "set",
434 .type = QEMU_OPT_NUMBER,
435 .help = "ID of the fd set to add fd to",
436 },{
437 .name = "opaque",
438 .type = QEMU_OPT_STRING,
439 .help = "free-form string used to describe fd",
440 },
441 { /* end of list */ }
442 },
443 };
444
445 static QemuOptsList qemu_object_opts = {
446 .name = "object",
447 .implied_opt_name = "qom-type",
448 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
449 .desc = {
450 { }
451 },
452 };
453
454 static QemuOptsList qemu_tpmdev_opts = {
455 .name = "tpmdev",
456 .implied_opt_name = "type",
457 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
458 .desc = {
459 /* options are defined in the TPM backends */
460 { /* end of list */ }
461 },
462 };
463
464 static QemuOptsList qemu_realtime_opts = {
465 .name = "realtime",
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
467 .desc = {
468 {
469 .name = "mlock",
470 .type = QEMU_OPT_BOOL,
471 },
472 { /* end of list */ }
473 },
474 };
475
476 static QemuOptsList qemu_msg_opts = {
477 .name = "msg",
478 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
479 .desc = {
480 {
481 .name = "timestamp",
482 .type = QEMU_OPT_BOOL,
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_name_opts = {
489 .name = "name",
490 .implied_opt_name = "guest",
491 .merge_lists = true,
492 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
493 .desc = {
494 {
495 .name = "guest",
496 .type = QEMU_OPT_STRING,
497 .help = "Sets the name of the guest.\n"
498 "This name will be displayed in the SDL window caption.\n"
499 "The name will also be used for the VNC server",
500 }, {
501 .name = "process",
502 .type = QEMU_OPT_STRING,
503 .help = "Sets the name of the QEMU process, as shown in top etc",
504 }, {
505 .name = "debug-threads",
506 .type = QEMU_OPT_BOOL,
507 .help = "When enabled, name the individual threads; defaults off.\n"
508 "NOTE: The thread names are for debugging and not a\n"
509 "stable API.",
510 },
511 { /* End of list */ }
512 },
513 };
514
515 static QemuOptsList qemu_mem_opts = {
516 .name = "memory",
517 .implied_opt_name = "size",
518 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
519 .merge_lists = true,
520 .desc = {
521 {
522 .name = "size",
523 .type = QEMU_OPT_SIZE,
524 },
525 {
526 .name = "slots",
527 .type = QEMU_OPT_NUMBER,
528 },
529 {
530 .name = "maxmem",
531 .type = QEMU_OPT_SIZE,
532 },
533 { /* end of list */ }
534 },
535 };
536
537 static QemuOptsList qemu_icount_opts = {
538 .name = "icount",
539 .implied_opt_name = "shift",
540 .merge_lists = true,
541 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
542 .desc = {
543 {
544 .name = "shift",
545 .type = QEMU_OPT_STRING,
546 }, {
547 .name = "align",
548 .type = QEMU_OPT_BOOL,
549 },
550 { /* end of list */ }
551 },
552 };
553
554 /**
555 * Get machine options
556 *
557 * Returns: machine options (never null).
558 */
559 QemuOpts *qemu_get_machine_opts(void)
560 {
561 return qemu_find_opts_singleton("machine");
562 }
563
564 const char *qemu_get_vm_name(void)
565 {
566 return qemu_name;
567 }
568
569 static void res_free(void)
570 {
571 if (boot_splash_filedata != NULL) {
572 g_free(boot_splash_filedata);
573 boot_splash_filedata = NULL;
574 }
575 }
576
577 static int default_driver_check(QemuOpts *opts, void *opaque)
578 {
579 const char *driver = qemu_opt_get(opts, "driver");
580 int i;
581
582 if (!driver)
583 return 0;
584 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
585 if (strcmp(default_list[i].driver, driver) != 0)
586 continue;
587 *(default_list[i].flag) = 0;
588 }
589 return 0;
590 }
591
592 /***********************************************************/
593 /* QEMU state */
594
595 static RunState current_run_state = RUN_STATE_PRELAUNCH;
596
597 /* We use RUN_STATE_MAX but any invalid value will do */
598 static RunState vmstop_requested = RUN_STATE_MAX;
599 static QemuMutex vmstop_lock;
600
601 typedef struct {
602 RunState from;
603 RunState to;
604 } RunStateTransition;
605
606 static const RunStateTransition runstate_transitions_def[] = {
607 /* from -> to */
608 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
609 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
610
611 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
612 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
613
614 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
615 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
616
617 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
618 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
621 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
624 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
627 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
629
630 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
631 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
632
633 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
634
635 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
636 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
637 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
638 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
639 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
641 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
642 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
643 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
644 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
645
646 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
647
648 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
649 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
650
651 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
652 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
653 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
654 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
655
656 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
657 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
658
659 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
660 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
661
662 { RUN_STATE_MAX, RUN_STATE_MAX },
663 };
664
665 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
666
667 bool runstate_check(RunState state)
668 {
669 return current_run_state == state;
670 }
671
672 static void runstate_init(void)
673 {
674 const RunStateTransition *p;
675
676 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
677 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
678 runstate_valid_transitions[p->from][p->to] = true;
679 }
680
681 qemu_mutex_init(&vmstop_lock);
682 }
683
684 /* This function will abort() on invalid state transitions */
685 void runstate_set(RunState new_state)
686 {
687 assert(new_state < RUN_STATE_MAX);
688
689 if (!runstate_valid_transitions[current_run_state][new_state]) {
690 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
691 RunState_lookup[current_run_state],
692 RunState_lookup[new_state]);
693 abort();
694 }
695 trace_runstate_set(new_state);
696 current_run_state = new_state;
697 }
698
699 int runstate_is_running(void)
700 {
701 return runstate_check(RUN_STATE_RUNNING);
702 }
703
704 bool runstate_needs_reset(void)
705 {
706 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
707 runstate_check(RUN_STATE_SHUTDOWN);
708 }
709
710 StatusInfo *qmp_query_status(Error **errp)
711 {
712 StatusInfo *info = g_malloc0(sizeof(*info));
713
714 info->running = runstate_is_running();
715 info->singlestep = singlestep;
716 info->status = current_run_state;
717
718 return info;
719 }
720
721 static bool qemu_vmstop_requested(RunState *r)
722 {
723 qemu_mutex_lock(&vmstop_lock);
724 *r = vmstop_requested;
725 vmstop_requested = RUN_STATE_MAX;
726 qemu_mutex_unlock(&vmstop_lock);
727 return *r < RUN_STATE_MAX;
728 }
729
730 void qemu_system_vmstop_request_prepare(void)
731 {
732 qemu_mutex_lock(&vmstop_lock);
733 }
734
735 void qemu_system_vmstop_request(RunState state)
736 {
737 vmstop_requested = state;
738 qemu_mutex_unlock(&vmstop_lock);
739 qemu_notify_event();
740 }
741
742 void vm_start(void)
743 {
744 RunState requested;
745
746 qemu_vmstop_requested(&requested);
747 if (runstate_is_running() && requested == RUN_STATE_MAX) {
748 return;
749 }
750
751 /* Ensure that a STOP/RESUME pair of events is emitted if a
752 * vmstop request was pending. The BLOCK_IO_ERROR event, for
753 * example, according to documentation is always followed by
754 * the STOP event.
755 */
756 if (runstate_is_running()) {
757 qapi_event_send_stop(&error_abort);
758 } else {
759 cpu_enable_ticks();
760 runstate_set(RUN_STATE_RUNNING);
761 vm_state_notify(1, RUN_STATE_RUNNING);
762 resume_all_vcpus();
763 }
764
765 qapi_event_send_resume(&error_abort);
766 }
767
768
769 /***********************************************************/
770 /* real time host monotonic timer */
771
772 /***********************************************************/
773 /* host time/date access */
774 void qemu_get_timedate(struct tm *tm, int offset)
775 {
776 time_t ti;
777
778 time(&ti);
779 ti += offset;
780 if (rtc_date_offset == -1) {
781 if (rtc_utc)
782 gmtime_r(&ti, tm);
783 else
784 localtime_r(&ti, tm);
785 } else {
786 ti -= rtc_date_offset;
787 gmtime_r(&ti, tm);
788 }
789 }
790
791 int qemu_timedate_diff(struct tm *tm)
792 {
793 time_t seconds;
794
795 if (rtc_date_offset == -1)
796 if (rtc_utc)
797 seconds = mktimegm(tm);
798 else {
799 struct tm tmp = *tm;
800 tmp.tm_isdst = -1; /* use timezone to figure it out */
801 seconds = mktime(&tmp);
802 }
803 else
804 seconds = mktimegm(tm) + rtc_date_offset;
805
806 return seconds - time(NULL);
807 }
808
809 static void configure_rtc_date_offset(const char *startdate, int legacy)
810 {
811 time_t rtc_start_date;
812 struct tm tm;
813
814 if (!strcmp(startdate, "now") && legacy) {
815 rtc_date_offset = -1;
816 } else {
817 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
818 &tm.tm_year,
819 &tm.tm_mon,
820 &tm.tm_mday,
821 &tm.tm_hour,
822 &tm.tm_min,
823 &tm.tm_sec) == 6) {
824 /* OK */
825 } else if (sscanf(startdate, "%d-%d-%d",
826 &tm.tm_year,
827 &tm.tm_mon,
828 &tm.tm_mday) == 3) {
829 tm.tm_hour = 0;
830 tm.tm_min = 0;
831 tm.tm_sec = 0;
832 } else {
833 goto date_fail;
834 }
835 tm.tm_year -= 1900;
836 tm.tm_mon--;
837 rtc_start_date = mktimegm(&tm);
838 if (rtc_start_date == -1) {
839 date_fail:
840 fprintf(stderr, "Invalid date format. Valid formats are:\n"
841 "'2006-06-17T16:01:21' or '2006-06-17'\n");
842 exit(1);
843 }
844 rtc_date_offset = time(NULL) - rtc_start_date;
845 }
846 }
847
848 static void configure_rtc(QemuOpts *opts)
849 {
850 const char *value;
851
852 value = qemu_opt_get(opts, "base");
853 if (value) {
854 if (!strcmp(value, "utc")) {
855 rtc_utc = 1;
856 } else if (!strcmp(value, "localtime")) {
857 rtc_utc = 0;
858 } else {
859 configure_rtc_date_offset(value, 0);
860 }
861 }
862 value = qemu_opt_get(opts, "clock");
863 if (value) {
864 if (!strcmp(value, "host")) {
865 rtc_clock = QEMU_CLOCK_HOST;
866 } else if (!strcmp(value, "rt")) {
867 rtc_clock = QEMU_CLOCK_REALTIME;
868 } else if (!strcmp(value, "vm")) {
869 rtc_clock = QEMU_CLOCK_VIRTUAL;
870 } else {
871 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
872 exit(1);
873 }
874 }
875 value = qemu_opt_get(opts, "driftfix");
876 if (value) {
877 if (!strcmp(value, "slew")) {
878 static GlobalProperty slew_lost_ticks[] = {
879 {
880 .driver = "mc146818rtc",
881 .property = "lost_tick_policy",
882 .value = "slew",
883 },
884 { /* end of list */ }
885 };
886
887 qdev_prop_register_global_list(slew_lost_ticks);
888 } else if (!strcmp(value, "none")) {
889 /* discard is default */
890 } else {
891 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
892 exit(1);
893 }
894 }
895 }
896
897 /***********************************************************/
898 /* Bluetooth support */
899 static int nb_hcis;
900 static int cur_hci;
901 static struct HCIInfo *hci_table[MAX_NICS];
902
903 struct HCIInfo *qemu_next_hci(void)
904 {
905 if (cur_hci == nb_hcis)
906 return &null_hci;
907
908 return hci_table[cur_hci++];
909 }
910
911 static int bt_hci_parse(const char *str)
912 {
913 struct HCIInfo *hci;
914 bdaddr_t bdaddr;
915
916 if (nb_hcis >= MAX_NICS) {
917 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
918 return -1;
919 }
920
921 hci = hci_init(str);
922 if (!hci)
923 return -1;
924
925 bdaddr.b[0] = 0x52;
926 bdaddr.b[1] = 0x54;
927 bdaddr.b[2] = 0x00;
928 bdaddr.b[3] = 0x12;
929 bdaddr.b[4] = 0x34;
930 bdaddr.b[5] = 0x56 + nb_hcis;
931 hci->bdaddr_set(hci, bdaddr.b);
932
933 hci_table[nb_hcis++] = hci;
934
935 return 0;
936 }
937
938 static void bt_vhci_add(int vlan_id)
939 {
940 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
941
942 if (!vlan->slave)
943 fprintf(stderr, "qemu: warning: adding a VHCI to "
944 "an empty scatternet %i\n", vlan_id);
945
946 bt_vhci_init(bt_new_hci(vlan));
947 }
948
949 static struct bt_device_s *bt_device_add(const char *opt)
950 {
951 struct bt_scatternet_s *vlan;
952 int vlan_id = 0;
953 char *endp = strstr(opt, ",vlan=");
954 int len = (endp ? endp - opt : strlen(opt)) + 1;
955 char devname[10];
956
957 pstrcpy(devname, MIN(sizeof(devname), len), opt);
958
959 if (endp) {
960 vlan_id = strtol(endp + 6, &endp, 0);
961 if (*endp) {
962 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
963 return 0;
964 }
965 }
966
967 vlan = qemu_find_bt_vlan(vlan_id);
968
969 if (!vlan->slave)
970 fprintf(stderr, "qemu: warning: adding a slave device to "
971 "an empty scatternet %i\n", vlan_id);
972
973 if (!strcmp(devname, "keyboard"))
974 return bt_keyboard_init(vlan);
975
976 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
977 return 0;
978 }
979
980 static int bt_parse(const char *opt)
981 {
982 const char *endp, *p;
983 int vlan;
984
985 if (strstart(opt, "hci", &endp)) {
986 if (!*endp || *endp == ',') {
987 if (*endp)
988 if (!strstart(endp, ",vlan=", 0))
989 opt = endp + 1;
990
991 return bt_hci_parse(opt);
992 }
993 } else if (strstart(opt, "vhci", &endp)) {
994 if (!*endp || *endp == ',') {
995 if (*endp) {
996 if (strstart(endp, ",vlan=", &p)) {
997 vlan = strtol(p, (char **) &endp, 0);
998 if (*endp) {
999 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1000 return 1;
1001 }
1002 } else {
1003 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1004 return 1;
1005 }
1006 } else
1007 vlan = 0;
1008
1009 bt_vhci_add(vlan);
1010 return 0;
1011 }
1012 } else if (strstart(opt, "device:", &endp))
1013 return !bt_device_add(endp);
1014
1015 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1016 return 1;
1017 }
1018
1019 static int parse_sandbox(QemuOpts *opts, void *opaque)
1020 {
1021 /* FIXME: change this to true for 1.3 */
1022 if (qemu_opt_get_bool(opts, "enable", false)) {
1023 #ifdef CONFIG_SECCOMP
1024 if (seccomp_start() < 0) {
1025 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1026 "failed to install seccomp syscall filter in the kernel");
1027 return -1;
1028 }
1029 #else
1030 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1031 "sandboxing request but seccomp is not compiled into this build");
1032 return -1;
1033 #endif
1034 }
1035
1036 return 0;
1037 }
1038
1039 static int parse_name(QemuOpts *opts, void *opaque)
1040 {
1041 const char *proc_name;
1042
1043 if (qemu_opt_get(opts, "debug-threads")) {
1044 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1045 }
1046 qemu_name = qemu_opt_get(opts, "guest");
1047
1048 proc_name = qemu_opt_get(opts, "process");
1049 if (proc_name) {
1050 os_set_proc_name(proc_name);
1051 }
1052
1053 return 0;
1054 }
1055
1056 bool usb_enabled(bool default_usb)
1057 {
1058 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1059 has_defaults && default_usb);
1060 }
1061
1062 #ifndef _WIN32
1063 static int parse_add_fd(QemuOpts *opts, void *opaque)
1064 {
1065 int fd, dupfd, flags;
1066 int64_t fdset_id;
1067 const char *fd_opaque = NULL;
1068
1069 fd = qemu_opt_get_number(opts, "fd", -1);
1070 fdset_id = qemu_opt_get_number(opts, "set", -1);
1071 fd_opaque = qemu_opt_get(opts, "opaque");
1072
1073 if (fd < 0) {
1074 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1075 "fd option is required and must be non-negative");
1076 return -1;
1077 }
1078
1079 if (fd <= STDERR_FILENO) {
1080 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1081 "fd cannot be a standard I/O stream");
1082 return -1;
1083 }
1084
1085 /*
1086 * All fds inherited across exec() necessarily have FD_CLOEXEC
1087 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1088 */
1089 flags = fcntl(fd, F_GETFD);
1090 if (flags == -1 || (flags & FD_CLOEXEC)) {
1091 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1092 "fd is not valid or already in use");
1093 return -1;
1094 }
1095
1096 if (fdset_id < 0) {
1097 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1098 "set option is required and must be non-negative");
1099 return -1;
1100 }
1101
1102 #ifdef F_DUPFD_CLOEXEC
1103 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1104 #else
1105 dupfd = dup(fd);
1106 if (dupfd != -1) {
1107 qemu_set_cloexec(dupfd);
1108 }
1109 #endif
1110 if (dupfd == -1) {
1111 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1112 "Error duplicating fd: %s", strerror(errno));
1113 return -1;
1114 }
1115
1116 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1117 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1118 fd_opaque, NULL);
1119
1120 return 0;
1121 }
1122
1123 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1124 {
1125 int fd;
1126
1127 fd = qemu_opt_get_number(opts, "fd", -1);
1128 close(fd);
1129
1130 return 0;
1131 }
1132 #endif
1133
1134 /***********************************************************/
1135 /* QEMU Block devices */
1136
1137 #define HD_OPTS "media=disk"
1138 #define CDROM_OPTS "media=cdrom"
1139 #define FD_OPTS ""
1140 #define PFLASH_OPTS ""
1141 #define MTD_OPTS ""
1142 #define SD_OPTS ""
1143
1144 static int drive_init_func(QemuOpts *opts, void *opaque)
1145 {
1146 BlockInterfaceType *block_default_type = opaque;
1147
1148 return drive_new(opts, *block_default_type) == NULL;
1149 }
1150
1151 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1152 {
1153 if (qemu_opt_get(opts, "snapshot") == NULL) {
1154 qemu_opt_set(opts, "snapshot", "on");
1155 }
1156 return 0;
1157 }
1158
1159 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1160 int index, const char *optstr)
1161 {
1162 QemuOpts *opts;
1163 DriveInfo *dinfo;
1164
1165 if (!enable || drive_get_by_index(type, index)) {
1166 return;
1167 }
1168
1169 opts = drive_add(type, index, NULL, optstr);
1170 if (snapshot) {
1171 drive_enable_snapshot(opts, NULL);
1172 }
1173
1174 dinfo = drive_new(opts, type);
1175 if (!dinfo) {
1176 exit(1);
1177 }
1178 dinfo->is_default = true;
1179
1180 }
1181
1182 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1183 {
1184 boot_set_handler = func;
1185 boot_set_opaque = opaque;
1186 }
1187
1188 int qemu_boot_set(const char *boot_order)
1189 {
1190 if (!boot_set_handler) {
1191 return -EINVAL;
1192 }
1193 return boot_set_handler(boot_set_opaque, boot_order);
1194 }
1195
1196 static void validate_bootdevices(const char *devices)
1197 {
1198 /* We just do some generic consistency checks */
1199 const char *p;
1200 int bitmap = 0;
1201
1202 for (p = devices; *p != '\0'; p++) {
1203 /* Allowed boot devices are:
1204 * a-b: floppy disk drives
1205 * c-f: IDE disk drives
1206 * g-m: machine implementation dependent drives
1207 * n-p: network devices
1208 * It's up to each machine implementation to check if the given boot
1209 * devices match the actual hardware implementation and firmware
1210 * features.
1211 */
1212 if (*p < 'a' || *p > 'p') {
1213 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1214 exit(1);
1215 }
1216 if (bitmap & (1 << (*p - 'a'))) {
1217 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1218 exit(1);
1219 }
1220 bitmap |= 1 << (*p - 'a');
1221 }
1222 }
1223
1224 static void restore_boot_order(void *opaque)
1225 {
1226 char *normal_boot_order = opaque;
1227 static int first = 1;
1228
1229 /* Restore boot order and remove ourselves after the first boot */
1230 if (first) {
1231 first = 0;
1232 return;
1233 }
1234
1235 qemu_boot_set(normal_boot_order);
1236
1237 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1238 g_free(normal_boot_order);
1239 }
1240
1241 static QemuOptsList qemu_smp_opts = {
1242 .name = "smp-opts",
1243 .implied_opt_name = "cpus",
1244 .merge_lists = true,
1245 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1246 .desc = {
1247 {
1248 .name = "cpus",
1249 .type = QEMU_OPT_NUMBER,
1250 }, {
1251 .name = "sockets",
1252 .type = QEMU_OPT_NUMBER,
1253 }, {
1254 .name = "cores",
1255 .type = QEMU_OPT_NUMBER,
1256 }, {
1257 .name = "threads",
1258 .type = QEMU_OPT_NUMBER,
1259 }, {
1260 .name = "maxcpus",
1261 .type = QEMU_OPT_NUMBER,
1262 },
1263 { /*End of list */ }
1264 },
1265 };
1266
1267 static void smp_parse(QemuOpts *opts)
1268 {
1269 if (opts) {
1270
1271 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1272 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1273 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1274 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1275
1276 /* compute missing values, prefer sockets over cores over threads */
1277 if (cpus == 0 || sockets == 0) {
1278 sockets = sockets > 0 ? sockets : 1;
1279 cores = cores > 0 ? cores : 1;
1280 threads = threads > 0 ? threads : 1;
1281 if (cpus == 0) {
1282 cpus = cores * threads * sockets;
1283 }
1284 } else {
1285 if (cores == 0) {
1286 threads = threads > 0 ? threads : 1;
1287 cores = cpus / (sockets * threads);
1288 } else {
1289 threads = cpus / (cores * sockets);
1290 }
1291 }
1292
1293 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1294
1295 smp_cpus = cpus;
1296 smp_cores = cores > 0 ? cores : 1;
1297 smp_threads = threads > 0 ? threads : 1;
1298
1299 }
1300
1301 if (max_cpus == 0) {
1302 max_cpus = smp_cpus;
1303 }
1304
1305 if (max_cpus > MAX_CPUMASK_BITS) {
1306 fprintf(stderr, "Unsupported number of maxcpus\n");
1307 exit(1);
1308 }
1309 if (max_cpus < smp_cpus) {
1310 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1311 exit(1);
1312 }
1313
1314 }
1315
1316 static void realtime_init(void)
1317 {
1318 if (enable_mlock) {
1319 if (os_mlock() < 0) {
1320 fprintf(stderr, "qemu: locking memory failed\n");
1321 exit(1);
1322 }
1323 }
1324 }
1325
1326
1327 static void configure_msg(QemuOpts *opts)
1328 {
1329 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1330 }
1331
1332 /***********************************************************/
1333 /* USB devices */
1334
1335 static int usb_device_add(const char *devname)
1336 {
1337 USBDevice *dev = NULL;
1338 #ifndef CONFIG_LINUX
1339 const char *p;
1340 #endif
1341
1342 if (!usb_enabled(false)) {
1343 return -1;
1344 }
1345
1346 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1347 dev = usbdevice_create(devname);
1348 if (dev)
1349 goto done;
1350
1351 /* the other ones */
1352 #ifndef CONFIG_LINUX
1353 /* only the linux version is qdev-ified, usb-bsd still needs this */
1354 if (strstart(devname, "host:", &p)) {
1355 dev = usb_host_device_open(usb_bus_find(-1), p);
1356 }
1357 #endif
1358 if (!dev)
1359 return -1;
1360
1361 done:
1362 return 0;
1363 }
1364
1365 static int usb_device_del(const char *devname)
1366 {
1367 int bus_num, addr;
1368 const char *p;
1369
1370 if (strstart(devname, "host:", &p)) {
1371 return -1;
1372 }
1373
1374 if (!usb_enabled(false)) {
1375 return -1;
1376 }
1377
1378 p = strchr(devname, '.');
1379 if (!p)
1380 return -1;
1381 bus_num = strtoul(devname, NULL, 0);
1382 addr = strtoul(p + 1, NULL, 0);
1383
1384 return usb_device_delete_addr(bus_num, addr);
1385 }
1386
1387 static int usb_parse(const char *cmdline)
1388 {
1389 int r;
1390 r = usb_device_add(cmdline);
1391 if (r < 0) {
1392 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1393 }
1394 return r;
1395 }
1396
1397 void do_usb_add(Monitor *mon, const QDict *qdict)
1398 {
1399 const char *devname = qdict_get_str(qdict, "devname");
1400 if (usb_device_add(devname) < 0) {
1401 error_report("could not add USB device '%s'", devname);
1402 }
1403 }
1404
1405 void do_usb_del(Monitor *mon, const QDict *qdict)
1406 {
1407 const char *devname = qdict_get_str(qdict, "devname");
1408 if (usb_device_del(devname) < 0) {
1409 error_report("could not delete USB device '%s'", devname);
1410 }
1411 }
1412
1413 /***********************************************************/
1414 /* machine registration */
1415
1416 MachineState *current_machine;
1417
1418 static void machine_class_init(ObjectClass *oc, void *data)
1419 {
1420 MachineClass *mc = MACHINE_CLASS(oc);
1421 QEMUMachine *qm = data;
1422
1423 mc->name = qm->name;
1424 mc->alias = qm->alias;
1425 mc->desc = qm->desc;
1426 mc->init = qm->init;
1427 mc->reset = qm->reset;
1428 mc->hot_add_cpu = qm->hot_add_cpu;
1429 mc->kvm_type = qm->kvm_type;
1430 mc->block_default_type = qm->block_default_type;
1431 mc->units_per_default_bus = qm->units_per_default_bus;
1432 mc->max_cpus = qm->max_cpus;
1433 mc->no_serial = qm->no_serial;
1434 mc->no_parallel = qm->no_parallel;
1435 mc->use_virtcon = qm->use_virtcon;
1436 mc->use_sclp = qm->use_sclp;
1437 mc->no_floppy = qm->no_floppy;
1438 mc->no_cdrom = qm->no_cdrom;
1439 mc->no_sdcard = qm->no_sdcard;
1440 mc->is_default = qm->is_default;
1441 mc->default_machine_opts = qm->default_machine_opts;
1442 mc->default_boot_order = qm->default_boot_order;
1443 mc->compat_props = qm->compat_props;
1444 mc->hw_version = qm->hw_version;
1445 }
1446
1447 int qemu_register_machine(QEMUMachine *m)
1448 {
1449 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1450 TypeInfo ti = {
1451 .name = name,
1452 .parent = TYPE_MACHINE,
1453 .class_init = machine_class_init,
1454 .class_data = (void *)m,
1455 };
1456
1457 type_register(&ti);
1458 g_free(name);
1459
1460 return 0;
1461 }
1462
1463 static MachineClass *find_machine(const char *name)
1464 {
1465 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1466 MachineClass *mc = NULL;
1467
1468 for (el = machines; el; el = el->next) {
1469 MachineClass *temp = el->data;
1470
1471 if (!strcmp(temp->name, name)) {
1472 mc = temp;
1473 break;
1474 }
1475 if (temp->alias &&
1476 !strcmp(temp->alias, name)) {
1477 mc = temp;
1478 break;
1479 }
1480 }
1481
1482 g_slist_free(machines);
1483 return mc;
1484 }
1485
1486 MachineClass *find_default_machine(void)
1487 {
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineClass *mc = NULL;
1490
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *temp = el->data;
1493
1494 if (temp->is_default) {
1495 mc = temp;
1496 break;
1497 }
1498 }
1499
1500 g_slist_free(machines);
1501 return mc;
1502 }
1503
1504 MachineInfoList *qmp_query_machines(Error **errp)
1505 {
1506 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1507 MachineInfoList *mach_list = NULL;
1508
1509 for (el = machines; el; el = el->next) {
1510 MachineClass *mc = el->data;
1511 MachineInfoList *entry;
1512 MachineInfo *info;
1513
1514 info = g_malloc0(sizeof(*info));
1515 if (mc->is_default) {
1516 info->has_is_default = true;
1517 info->is_default = true;
1518 }
1519
1520 if (mc->alias) {
1521 info->has_alias = true;
1522 info->alias = g_strdup(mc->alias);
1523 }
1524
1525 info->name = g_strdup(mc->name);
1526 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1527
1528 entry = g_malloc0(sizeof(*entry));
1529 entry->value = info;
1530 entry->next = mach_list;
1531 mach_list = entry;
1532 }
1533
1534 g_slist_free(machines);
1535 return mach_list;
1536 }
1537
1538 /***********************************************************/
1539 /* main execution loop */
1540
1541 struct vm_change_state_entry {
1542 VMChangeStateHandler *cb;
1543 void *opaque;
1544 QLIST_ENTRY (vm_change_state_entry) entries;
1545 };
1546
1547 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1548
1549 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1550 void *opaque)
1551 {
1552 VMChangeStateEntry *e;
1553
1554 e = g_malloc0(sizeof (*e));
1555
1556 e->cb = cb;
1557 e->opaque = opaque;
1558 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1559 return e;
1560 }
1561
1562 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1563 {
1564 QLIST_REMOVE (e, entries);
1565 g_free (e);
1566 }
1567
1568 void vm_state_notify(int running, RunState state)
1569 {
1570 VMChangeStateEntry *e, *next;
1571
1572 trace_vm_state_notify(running, state);
1573
1574 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1575 e->cb(e->opaque, running, state);
1576 }
1577 }
1578
1579 /* reset/shutdown handler */
1580
1581 typedef struct QEMUResetEntry {
1582 QTAILQ_ENTRY(QEMUResetEntry) entry;
1583 QEMUResetHandler *func;
1584 void *opaque;
1585 } QEMUResetEntry;
1586
1587 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1588 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1589 static int reset_requested;
1590 static int shutdown_requested, shutdown_signal = -1;
1591 static pid_t shutdown_pid;
1592 static int powerdown_requested;
1593 static int debug_requested;
1594 static int suspend_requested;
1595 static WakeupReason wakeup_reason;
1596 static NotifierList powerdown_notifiers =
1597 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1598 static NotifierList suspend_notifiers =
1599 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1600 static NotifierList wakeup_notifiers =
1601 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1602 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1603
1604 int qemu_shutdown_requested_get(void)
1605 {
1606 return shutdown_requested;
1607 }
1608
1609 int qemu_reset_requested_get(void)
1610 {
1611 return reset_requested;
1612 }
1613
1614 static int qemu_shutdown_requested(void)
1615 {
1616 return atomic_xchg(&shutdown_requested, 0);
1617 }
1618
1619 static void qemu_kill_report(void)
1620 {
1621 if (!qtest_driver() && shutdown_signal != -1) {
1622 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1623 if (shutdown_pid == 0) {
1624 /* This happens for eg ^C at the terminal, so it's worth
1625 * avoiding printing an odd message in that case.
1626 */
1627 fputc('\n', stderr);
1628 } else {
1629 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1630 }
1631 shutdown_signal = -1;
1632 }
1633 }
1634
1635 static int qemu_reset_requested(void)
1636 {
1637 int r = reset_requested;
1638 reset_requested = 0;
1639 return r;
1640 }
1641
1642 static int qemu_suspend_requested(void)
1643 {
1644 int r = suspend_requested;
1645 suspend_requested = 0;
1646 return r;
1647 }
1648
1649 static WakeupReason qemu_wakeup_requested(void)
1650 {
1651 return wakeup_reason;
1652 }
1653
1654 static int qemu_powerdown_requested(void)
1655 {
1656 int r = powerdown_requested;
1657 powerdown_requested = 0;
1658 return r;
1659 }
1660
1661 static int qemu_debug_requested(void)
1662 {
1663 int r = debug_requested;
1664 debug_requested = 0;
1665 return r;
1666 }
1667
1668 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1669 {
1670 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1671
1672 re->func = func;
1673 re->opaque = opaque;
1674 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1675 }
1676
1677 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1678 {
1679 QEMUResetEntry *re;
1680
1681 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1682 if (re->func == func && re->opaque == opaque) {
1683 QTAILQ_REMOVE(&reset_handlers, re, entry);
1684 g_free(re);
1685 return;
1686 }
1687 }
1688 }
1689
1690 void qemu_devices_reset(void)
1691 {
1692 QEMUResetEntry *re, *nre;
1693
1694 /* reset all devices */
1695 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1696 re->func(re->opaque);
1697 }
1698 }
1699
1700 void qemu_system_reset(bool report)
1701 {
1702 MachineClass *mc;
1703
1704 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1705
1706 if (mc && mc->reset) {
1707 mc->reset();
1708 } else {
1709 qemu_devices_reset();
1710 }
1711 if (report) {
1712 qapi_event_send_reset(&error_abort);
1713 }
1714 cpu_synchronize_all_post_reset();
1715 }
1716
1717 void qemu_system_reset_request(void)
1718 {
1719 if (no_reboot) {
1720 shutdown_requested = 1;
1721 } else {
1722 reset_requested = 1;
1723 }
1724 cpu_stop_current();
1725 qemu_notify_event();
1726 }
1727
1728 static void qemu_system_suspend(void)
1729 {
1730 pause_all_vcpus();
1731 notifier_list_notify(&suspend_notifiers, NULL);
1732 runstate_set(RUN_STATE_SUSPENDED);
1733 qapi_event_send_suspend(&error_abort);
1734 }
1735
1736 void qemu_system_suspend_request(void)
1737 {
1738 if (runstate_check(RUN_STATE_SUSPENDED)) {
1739 return;
1740 }
1741 suspend_requested = 1;
1742 cpu_stop_current();
1743 qemu_notify_event();
1744 }
1745
1746 void qemu_register_suspend_notifier(Notifier *notifier)
1747 {
1748 notifier_list_add(&suspend_notifiers, notifier);
1749 }
1750
1751 void qemu_system_wakeup_request(WakeupReason reason)
1752 {
1753 trace_system_wakeup_request(reason);
1754
1755 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1756 return;
1757 }
1758 if (!(wakeup_reason_mask & (1 << reason))) {
1759 return;
1760 }
1761 runstate_set(RUN_STATE_RUNNING);
1762 wakeup_reason = reason;
1763 qemu_notify_event();
1764 }
1765
1766 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1767 {
1768 if (enabled) {
1769 wakeup_reason_mask |= (1 << reason);
1770 } else {
1771 wakeup_reason_mask &= ~(1 << reason);
1772 }
1773 }
1774
1775 void qemu_register_wakeup_notifier(Notifier *notifier)
1776 {
1777 notifier_list_add(&wakeup_notifiers, notifier);
1778 }
1779
1780 void qemu_system_killed(int signal, pid_t pid)
1781 {
1782 shutdown_signal = signal;
1783 shutdown_pid = pid;
1784 no_shutdown = 0;
1785 qemu_system_shutdown_request();
1786 }
1787
1788 void qemu_system_shutdown_request(void)
1789 {
1790 trace_qemu_system_shutdown_request();
1791 shutdown_requested = 1;
1792 qemu_notify_event();
1793 }
1794
1795 static void qemu_system_powerdown(void)
1796 {
1797 qapi_event_send_powerdown(&error_abort);
1798 notifier_list_notify(&powerdown_notifiers, NULL);
1799 }
1800
1801 void qemu_system_powerdown_request(void)
1802 {
1803 trace_qemu_system_powerdown_request();
1804 powerdown_requested = 1;
1805 qemu_notify_event();
1806 }
1807
1808 void qemu_register_powerdown_notifier(Notifier *notifier)
1809 {
1810 notifier_list_add(&powerdown_notifiers, notifier);
1811 }
1812
1813 void qemu_system_debug_request(void)
1814 {
1815 debug_requested = 1;
1816 qemu_notify_event();
1817 }
1818
1819 static bool main_loop_should_exit(void)
1820 {
1821 RunState r;
1822 if (qemu_debug_requested()) {
1823 vm_stop(RUN_STATE_DEBUG);
1824 }
1825 if (qemu_suspend_requested()) {
1826 qemu_system_suspend();
1827 }
1828 if (qemu_shutdown_requested()) {
1829 qemu_kill_report();
1830 qapi_event_send_shutdown(&error_abort);
1831 if (no_shutdown) {
1832 vm_stop(RUN_STATE_SHUTDOWN);
1833 } else {
1834 return true;
1835 }
1836 }
1837 if (qemu_reset_requested()) {
1838 pause_all_vcpus();
1839 cpu_synchronize_all_states();
1840 qemu_system_reset(VMRESET_REPORT);
1841 resume_all_vcpus();
1842 if (runstate_needs_reset()) {
1843 runstate_set(RUN_STATE_PAUSED);
1844 }
1845 }
1846 if (qemu_wakeup_requested()) {
1847 pause_all_vcpus();
1848 cpu_synchronize_all_states();
1849 qemu_system_reset(VMRESET_SILENT);
1850 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1851 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1852 resume_all_vcpus();
1853 qapi_event_send_wakeup(&error_abort);
1854 }
1855 if (qemu_powerdown_requested()) {
1856 qemu_system_powerdown();
1857 }
1858 if (qemu_vmstop_requested(&r)) {
1859 vm_stop(r);
1860 }
1861 return false;
1862 }
1863
1864 static void main_loop(void)
1865 {
1866 bool nonblocking;
1867 int last_io = 0;
1868 #ifdef CONFIG_PROFILER
1869 int64_t ti;
1870 #endif
1871 do {
1872 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1873 #ifdef CONFIG_PROFILER
1874 ti = profile_getclock();
1875 #endif
1876 last_io = main_loop_wait(nonblocking);
1877 #ifdef CONFIG_PROFILER
1878 dev_time += profile_getclock() - ti;
1879 #endif
1880 } while (!main_loop_should_exit());
1881 }
1882
1883 static void version(void)
1884 {
1885 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1886 }
1887
1888 static void help(int exitcode)
1889 {
1890 version();
1891 printf("usage: %s [options] [disk_image]\n\n"
1892 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1893 error_get_progname());
1894
1895 #define QEMU_OPTIONS_GENERATE_HELP
1896 #include "qemu-options-wrapper.h"
1897
1898 printf("\nDuring emulation, the following keys are useful:\n"
1899 "ctrl-alt-f toggle full screen\n"
1900 "ctrl-alt-n switch to virtual console 'n'\n"
1901 "ctrl-alt toggle mouse and keyboard grab\n"
1902 "\n"
1903 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1904
1905 exit(exitcode);
1906 }
1907
1908 #define HAS_ARG 0x0001
1909
1910 typedef struct QEMUOption {
1911 const char *name;
1912 int flags;
1913 int index;
1914 uint32_t arch_mask;
1915 } QEMUOption;
1916
1917 static const QEMUOption qemu_options[] = {
1918 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1919 #define QEMU_OPTIONS_GENERATE_OPTIONS
1920 #include "qemu-options-wrapper.h"
1921 { NULL },
1922 };
1923
1924 static bool vga_available(void)
1925 {
1926 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1927 }
1928
1929 static bool cirrus_vga_available(void)
1930 {
1931 return object_class_by_name("cirrus-vga")
1932 || object_class_by_name("isa-cirrus-vga");
1933 }
1934
1935 static bool vmware_vga_available(void)
1936 {
1937 return object_class_by_name("vmware-svga");
1938 }
1939
1940 static bool qxl_vga_available(void)
1941 {
1942 return object_class_by_name("qxl-vga");
1943 }
1944
1945 static bool tcx_vga_available(void)
1946 {
1947 return object_class_by_name("SUNW,tcx");
1948 }
1949
1950 static bool cg3_vga_available(void)
1951 {
1952 return object_class_by_name("cgthree");
1953 }
1954
1955 static void select_vgahw (const char *p)
1956 {
1957 const char *opts;
1958
1959 assert(vga_interface_type == VGA_NONE);
1960 if (strstart(p, "std", &opts)) {
1961 if (vga_available()) {
1962 vga_interface_type = VGA_STD;
1963 } else {
1964 fprintf(stderr, "Error: standard VGA not available\n");
1965 exit(0);
1966 }
1967 } else if (strstart(p, "cirrus", &opts)) {
1968 if (cirrus_vga_available()) {
1969 vga_interface_type = VGA_CIRRUS;
1970 } else {
1971 fprintf(stderr, "Error: Cirrus VGA not available\n");
1972 exit(0);
1973 }
1974 } else if (strstart(p, "vmware", &opts)) {
1975 if (vmware_vga_available()) {
1976 vga_interface_type = VGA_VMWARE;
1977 } else {
1978 fprintf(stderr, "Error: VMWare SVGA not available\n");
1979 exit(0);
1980 }
1981 } else if (strstart(p, "xenfb", &opts)) {
1982 vga_interface_type = VGA_XENFB;
1983 } else if (strstart(p, "qxl", &opts)) {
1984 if (qxl_vga_available()) {
1985 vga_interface_type = VGA_QXL;
1986 } else {
1987 fprintf(stderr, "Error: QXL VGA not available\n");
1988 exit(0);
1989 }
1990 } else if (strstart(p, "tcx", &opts)) {
1991 if (tcx_vga_available()) {
1992 vga_interface_type = VGA_TCX;
1993 } else {
1994 fprintf(stderr, "Error: TCX framebuffer not available\n");
1995 exit(0);
1996 }
1997 } else if (strstart(p, "cg3", &opts)) {
1998 if (cg3_vga_available()) {
1999 vga_interface_type = VGA_CG3;
2000 } else {
2001 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2002 exit(0);
2003 }
2004 } else if (!strstart(p, "none", &opts)) {
2005 invalid_vga:
2006 fprintf(stderr, "Unknown vga type: %s\n", p);
2007 exit(1);
2008 }
2009 while (*opts) {
2010 const char *nextopt;
2011
2012 if (strstart(opts, ",retrace=", &nextopt)) {
2013 opts = nextopt;
2014 if (strstart(opts, "dumb", &nextopt))
2015 vga_retrace_method = VGA_RETRACE_DUMB;
2016 else if (strstart(opts, "precise", &nextopt))
2017 vga_retrace_method = VGA_RETRACE_PRECISE;
2018 else goto invalid_vga;
2019 } else goto invalid_vga;
2020 opts = nextopt;
2021 }
2022 }
2023
2024 static DisplayType select_display(const char *p)
2025 {
2026 const char *opts;
2027 DisplayType display = DT_DEFAULT;
2028
2029 if (strstart(p, "sdl", &opts)) {
2030 #ifdef CONFIG_SDL
2031 display = DT_SDL;
2032 while (*opts) {
2033 const char *nextopt;
2034
2035 if (strstart(opts, ",frame=", &nextopt)) {
2036 opts = nextopt;
2037 if (strstart(opts, "on", &nextopt)) {
2038 no_frame = 0;
2039 } else if (strstart(opts, "off", &nextopt)) {
2040 no_frame = 1;
2041 } else {
2042 goto invalid_sdl_args;
2043 }
2044 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2045 opts = nextopt;
2046 if (strstart(opts, "on", &nextopt)) {
2047 alt_grab = 1;
2048 } else if (strstart(opts, "off", &nextopt)) {
2049 alt_grab = 0;
2050 } else {
2051 goto invalid_sdl_args;
2052 }
2053 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2054 opts = nextopt;
2055 if (strstart(opts, "on", &nextopt)) {
2056 ctrl_grab = 1;
2057 } else if (strstart(opts, "off", &nextopt)) {
2058 ctrl_grab = 0;
2059 } else {
2060 goto invalid_sdl_args;
2061 }
2062 } else if (strstart(opts, ",window_close=", &nextopt)) {
2063 opts = nextopt;
2064 if (strstart(opts, "on", &nextopt)) {
2065 no_quit = 0;
2066 } else if (strstart(opts, "off", &nextopt)) {
2067 no_quit = 1;
2068 } else {
2069 goto invalid_sdl_args;
2070 }
2071 } else {
2072 invalid_sdl_args:
2073 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2074 exit(1);
2075 }
2076 opts = nextopt;
2077 }
2078 #else
2079 fprintf(stderr, "SDL support is disabled\n");
2080 exit(1);
2081 #endif
2082 } else if (strstart(p, "vnc", &opts)) {
2083 #ifdef CONFIG_VNC
2084 display_remote++;
2085
2086 if (*opts) {
2087 const char *nextopt;
2088
2089 if (strstart(opts, "=", &nextopt)) {
2090 vnc_display = nextopt;
2091 }
2092 }
2093 if (!vnc_display) {
2094 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2095 exit(1);
2096 }
2097 #else
2098 fprintf(stderr, "VNC support is disabled\n");
2099 exit(1);
2100 #endif
2101 } else if (strstart(p, "curses", &opts)) {
2102 #ifdef CONFIG_CURSES
2103 display = DT_CURSES;
2104 #else
2105 fprintf(stderr, "Curses support is disabled\n");
2106 exit(1);
2107 #endif
2108 } else if (strstart(p, "gtk", &opts)) {
2109 #ifdef CONFIG_GTK
2110 display = DT_GTK;
2111 while (*opts) {
2112 const char *nextopt;
2113
2114 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 grab_on_hover = true;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 grab_on_hover = false;
2120 } else {
2121 goto invalid_gtk_args;
2122 }
2123 } else {
2124 invalid_gtk_args:
2125 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2126 exit(1);
2127 }
2128 opts = nextopt;
2129 }
2130 #else
2131 fprintf(stderr, "GTK support is disabled\n");
2132 exit(1);
2133 #endif
2134 } else if (strstart(p, "none", &opts)) {
2135 display = DT_NONE;
2136 } else {
2137 fprintf(stderr, "Unknown display type: %s\n", p);
2138 exit(1);
2139 }
2140
2141 return display;
2142 }
2143
2144 static int balloon_parse(const char *arg)
2145 {
2146 QemuOpts *opts;
2147
2148 if (strcmp(arg, "none") == 0) {
2149 return 0;
2150 }
2151
2152 if (!strncmp(arg, "virtio", 6)) {
2153 if (arg[6] == ',') {
2154 /* have params -> parse them */
2155 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2156 if (!opts)
2157 return -1;
2158 } else {
2159 /* create empty opts */
2160 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2161 &error_abort);
2162 }
2163 qemu_opt_set(opts, "driver", "virtio-balloon");
2164 return 0;
2165 }
2166
2167 return -1;
2168 }
2169
2170 char *qemu_find_file(int type, const char *name)
2171 {
2172 int i;
2173 const char *subdir;
2174 char *buf;
2175
2176 /* Try the name as a straight path first */
2177 if (access(name, R_OK) == 0) {
2178 trace_load_file(name, name);
2179 return g_strdup(name);
2180 }
2181
2182 switch (type) {
2183 case QEMU_FILE_TYPE_BIOS:
2184 subdir = "";
2185 break;
2186 case QEMU_FILE_TYPE_KEYMAP:
2187 subdir = "keymaps/";
2188 break;
2189 default:
2190 abort();
2191 }
2192
2193 for (i = 0; i < data_dir_idx; i++) {
2194 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2195 if (access(buf, R_OK) == 0) {
2196 trace_load_file(name, buf);
2197 return buf;
2198 }
2199 g_free(buf);
2200 }
2201 return NULL;
2202 }
2203
2204 static int device_help_func(QemuOpts *opts, void *opaque)
2205 {
2206 return qdev_device_help(opts);
2207 }
2208
2209 static int device_init_func(QemuOpts *opts, void *opaque)
2210 {
2211 DeviceState *dev;
2212
2213 dev = qdev_device_add(opts);
2214 if (!dev)
2215 return -1;
2216 object_unref(OBJECT(dev));
2217 return 0;
2218 }
2219
2220 static int chardev_init_func(QemuOpts *opts, void *opaque)
2221 {
2222 Error *local_err = NULL;
2223
2224 qemu_chr_new_from_opts(opts, NULL, &local_err);
2225 if (local_err) {
2226 error_report("%s", error_get_pretty(local_err));
2227 error_free(local_err);
2228 return -1;
2229 }
2230 return 0;
2231 }
2232
2233 #ifdef CONFIG_VIRTFS
2234 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2235 {
2236 int ret;
2237 ret = qemu_fsdev_add(opts);
2238
2239 return ret;
2240 }
2241 #endif
2242
2243 static int mon_init_func(QemuOpts *opts, void *opaque)
2244 {
2245 CharDriverState *chr;
2246 const char *chardev;
2247 const char *mode;
2248 int flags;
2249
2250 mode = qemu_opt_get(opts, "mode");
2251 if (mode == NULL) {
2252 mode = "readline";
2253 }
2254 if (strcmp(mode, "readline") == 0) {
2255 flags = MONITOR_USE_READLINE;
2256 } else if (strcmp(mode, "control") == 0) {
2257 flags = MONITOR_USE_CONTROL;
2258 } else {
2259 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2260 exit(1);
2261 }
2262
2263 if (qemu_opt_get_bool(opts, "pretty", 0))
2264 flags |= MONITOR_USE_PRETTY;
2265
2266 if (qemu_opt_get_bool(opts, "default", 0))
2267 flags |= MONITOR_IS_DEFAULT;
2268
2269 chardev = qemu_opt_get(opts, "chardev");
2270 chr = qemu_chr_find(chardev);
2271 if (chr == NULL) {
2272 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2273 exit(1);
2274 }
2275
2276 qemu_chr_fe_claim_no_fail(chr);
2277 monitor_init(chr, flags);
2278 return 0;
2279 }
2280
2281 static void monitor_parse(const char *optarg, const char *mode)
2282 {
2283 static int monitor_device_index = 0;
2284 QemuOpts *opts;
2285 const char *p;
2286 char label[32];
2287 int def = 0;
2288
2289 if (strstart(optarg, "chardev:", &p)) {
2290 snprintf(label, sizeof(label), "%s", p);
2291 } else {
2292 snprintf(label, sizeof(label), "compat_monitor%d",
2293 monitor_device_index);
2294 if (monitor_device_index == 0) {
2295 def = 1;
2296 }
2297 opts = qemu_chr_parse_compat(label, optarg);
2298 if (!opts) {
2299 fprintf(stderr, "parse error: %s\n", optarg);
2300 exit(1);
2301 }
2302 }
2303
2304 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2305 if (!opts) {
2306 fprintf(stderr, "duplicate chardev: %s\n", label);
2307 exit(1);
2308 }
2309 qemu_opt_set(opts, "mode", mode);
2310 qemu_opt_set(opts, "chardev", label);
2311 if (def)
2312 qemu_opt_set(opts, "default", "on");
2313 monitor_device_index++;
2314 }
2315
2316 struct device_config {
2317 enum {
2318 DEV_USB, /* -usbdevice */
2319 DEV_BT, /* -bt */
2320 DEV_SERIAL, /* -serial */
2321 DEV_PARALLEL, /* -parallel */
2322 DEV_VIRTCON, /* -virtioconsole */
2323 DEV_DEBUGCON, /* -debugcon */
2324 DEV_GDB, /* -gdb, -s */
2325 DEV_SCLP, /* s390 sclp */
2326 } type;
2327 const char *cmdline;
2328 Location loc;
2329 QTAILQ_ENTRY(device_config) next;
2330 };
2331
2332 static QTAILQ_HEAD(, device_config) device_configs =
2333 QTAILQ_HEAD_INITIALIZER(device_configs);
2334
2335 static void add_device_config(int type, const char *cmdline)
2336 {
2337 struct device_config *conf;
2338
2339 conf = g_malloc0(sizeof(*conf));
2340 conf->type = type;
2341 conf->cmdline = cmdline;
2342 loc_save(&conf->loc);
2343 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2344 }
2345
2346 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2347 {
2348 struct device_config *conf;
2349 int rc;
2350
2351 QTAILQ_FOREACH(conf, &device_configs, next) {
2352 if (conf->type != type)
2353 continue;
2354 loc_push_restore(&conf->loc);
2355 rc = func(conf->cmdline);
2356 loc_pop(&conf->loc);
2357 if (rc) {
2358 return rc;
2359 }
2360 }
2361 return 0;
2362 }
2363
2364 static int serial_parse(const char *devname)
2365 {
2366 static int index = 0;
2367 char label[32];
2368
2369 if (strcmp(devname, "none") == 0)
2370 return 0;
2371 if (index == MAX_SERIAL_PORTS) {
2372 fprintf(stderr, "qemu: too many serial ports\n");
2373 exit(1);
2374 }
2375 snprintf(label, sizeof(label), "serial%d", index);
2376 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2377 if (!serial_hds[index]) {
2378 fprintf(stderr, "qemu: could not connect serial device"
2379 " to character backend '%s'\n", devname);
2380 return -1;
2381 }
2382 index++;
2383 return 0;
2384 }
2385
2386 static int parallel_parse(const char *devname)
2387 {
2388 static int index = 0;
2389 char label[32];
2390
2391 if (strcmp(devname, "none") == 0)
2392 return 0;
2393 if (index == MAX_PARALLEL_PORTS) {
2394 fprintf(stderr, "qemu: too many parallel ports\n");
2395 exit(1);
2396 }
2397 snprintf(label, sizeof(label), "parallel%d", index);
2398 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2399 if (!parallel_hds[index]) {
2400 fprintf(stderr, "qemu: could not connect parallel device"
2401 " to character backend '%s'\n", devname);
2402 return -1;
2403 }
2404 index++;
2405 return 0;
2406 }
2407
2408 static int virtcon_parse(const char *devname)
2409 {
2410 QemuOptsList *device = qemu_find_opts("device");
2411 static int index = 0;
2412 char label[32];
2413 QemuOpts *bus_opts, *dev_opts;
2414
2415 if (strcmp(devname, "none") == 0)
2416 return 0;
2417 if (index == MAX_VIRTIO_CONSOLES) {
2418 fprintf(stderr, "qemu: too many virtio consoles\n");
2419 exit(1);
2420 }
2421
2422 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2423 if (arch_type == QEMU_ARCH_S390X) {
2424 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2425 } else {
2426 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2427 }
2428
2429 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2430 qemu_opt_set(dev_opts, "driver", "virtconsole");
2431
2432 snprintf(label, sizeof(label), "virtcon%d", index);
2433 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2434 if (!virtcon_hds[index]) {
2435 fprintf(stderr, "qemu: could not connect virtio console"
2436 " to character backend '%s'\n", devname);
2437 return -1;
2438 }
2439 qemu_opt_set(dev_opts, "chardev", label);
2440
2441 index++;
2442 return 0;
2443 }
2444
2445 static int sclp_parse(const char *devname)
2446 {
2447 QemuOptsList *device = qemu_find_opts("device");
2448 static int index = 0;
2449 char label[32];
2450 QemuOpts *dev_opts;
2451
2452 if (strcmp(devname, "none") == 0) {
2453 return 0;
2454 }
2455 if (index == MAX_SCLP_CONSOLES) {
2456 fprintf(stderr, "qemu: too many sclp consoles\n");
2457 exit(1);
2458 }
2459
2460 assert(arch_type == QEMU_ARCH_S390X);
2461
2462 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2463 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2464
2465 snprintf(label, sizeof(label), "sclpcon%d", index);
2466 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2467 if (!sclp_hds[index]) {
2468 fprintf(stderr, "qemu: could not connect sclp console"
2469 " to character backend '%s'\n", devname);
2470 return -1;
2471 }
2472 qemu_opt_set(dev_opts, "chardev", label);
2473
2474 index++;
2475 return 0;
2476 }
2477
2478 static int debugcon_parse(const char *devname)
2479 {
2480 QemuOpts *opts;
2481
2482 if (!qemu_chr_new("debugcon", devname, NULL)) {
2483 exit(1);
2484 }
2485 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2486 if (!opts) {
2487 fprintf(stderr, "qemu: already have a debugcon device\n");
2488 exit(1);
2489 }
2490 qemu_opt_set(opts, "driver", "isa-debugcon");
2491 qemu_opt_set(opts, "chardev", "debugcon");
2492 return 0;
2493 }
2494
2495 static MachineClass *machine_parse(const char *name)
2496 {
2497 MachineClass *mc = NULL;
2498 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2499
2500 if (name) {
2501 mc = find_machine(name);
2502 }
2503 if (mc) {
2504 return mc;
2505 }
2506 if (name && !is_help_option(name)) {
2507 error_report("Unsupported machine type");
2508 error_printf("Use -machine help to list supported machines!\n");
2509 } else {
2510 printf("Supported machines are:\n");
2511 for (el = machines; el; el = el->next) {
2512 MachineClass *mc = el->data;
2513 if (mc->alias) {
2514 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2515 }
2516 printf("%-20s %s%s\n", mc->name, mc->desc,
2517 mc->is_default ? " (default)" : "");
2518 }
2519 }
2520
2521 g_slist_free(machines);
2522 exit(!name || !is_help_option(name));
2523 }
2524
2525 void qemu_add_exit_notifier(Notifier *notify)
2526 {
2527 notifier_list_add(&exit_notifiers, notify);
2528 }
2529
2530 void qemu_remove_exit_notifier(Notifier *notify)
2531 {
2532 notifier_remove(notify);
2533 }
2534
2535 static void qemu_run_exit_notifiers(void)
2536 {
2537 notifier_list_notify(&exit_notifiers, NULL);
2538 }
2539
2540 void qemu_add_machine_init_done_notifier(Notifier *notify)
2541 {
2542 notifier_list_add(&machine_init_done_notifiers, notify);
2543 }
2544
2545 static void qemu_run_machine_init_done_notifiers(void)
2546 {
2547 notifier_list_notify(&machine_init_done_notifiers, NULL);
2548 }
2549
2550 static const QEMUOption *lookup_opt(int argc, char **argv,
2551 const char **poptarg, int *poptind)
2552 {
2553 const QEMUOption *popt;
2554 int optind = *poptind;
2555 char *r = argv[optind];
2556 const char *optarg;
2557
2558 loc_set_cmdline(argv, optind, 1);
2559 optind++;
2560 /* Treat --foo the same as -foo. */
2561 if (r[1] == '-')
2562 r++;
2563 popt = qemu_options;
2564 for(;;) {
2565 if (!popt->name) {
2566 error_report("invalid option");
2567 exit(1);
2568 }
2569 if (!strcmp(popt->name, r + 1))
2570 break;
2571 popt++;
2572 }
2573 if (popt->flags & HAS_ARG) {
2574 if (optind >= argc) {
2575 error_report("requires an argument");
2576 exit(1);
2577 }
2578 optarg = argv[optind++];
2579 loc_set_cmdline(argv, optind - 2, 2);
2580 } else {
2581 optarg = NULL;
2582 }
2583
2584 *poptarg = optarg;
2585 *poptind = optind;
2586
2587 return popt;
2588 }
2589
2590 static gpointer malloc_and_trace(gsize n_bytes)
2591 {
2592 void *ptr = malloc(n_bytes);
2593 trace_g_malloc(n_bytes, ptr);
2594 return ptr;
2595 }
2596
2597 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2598 {
2599 void *ptr = realloc(mem, n_bytes);
2600 trace_g_realloc(mem, n_bytes, ptr);
2601 return ptr;
2602 }
2603
2604 static void free_and_trace(gpointer mem)
2605 {
2606 trace_g_free(mem);
2607 free(mem);
2608 }
2609
2610 static int machine_set_property(const char *name, const char *value,
2611 void *opaque)
2612 {
2613 Object *obj = OBJECT(opaque);
2614 StringInputVisitor *siv;
2615 Error *local_err = NULL;
2616 char *c, *qom_name;
2617
2618 if (strcmp(name, "type") == 0) {
2619 return 0;
2620 }
2621
2622 qom_name = g_strdup(name);
2623 c = qom_name;
2624 while (*c++) {
2625 if (*c == '_') {
2626 *c = '-';
2627 }
2628 }
2629
2630 siv = string_input_visitor_new(value);
2631 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2632 string_input_visitor_cleanup(siv);
2633 g_free(qom_name);
2634
2635 if (local_err) {
2636 qerror_report_err(local_err);
2637 error_free(local_err);
2638 return -1;
2639 }
2640
2641 return 0;
2642 }
2643
2644 static int object_create(QemuOpts *opts, void *opaque)
2645 {
2646 Error *err = NULL;
2647 char *type = NULL;
2648 char *id = NULL;
2649 void *dummy = NULL;
2650 OptsVisitor *ov;
2651 QDict *pdict;
2652
2653 ov = opts_visitor_new(opts);
2654 pdict = qemu_opts_to_qdict(opts, NULL);
2655
2656 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2657 if (err) {
2658 goto out;
2659 }
2660
2661 qdict_del(pdict, "qom-type");
2662 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2663 if (err) {
2664 goto out;
2665 }
2666
2667 qdict_del(pdict, "id");
2668 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2669 if (err) {
2670 goto out;
2671 }
2672
2673 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2674 if (err) {
2675 goto out;
2676 }
2677 visit_end_struct(opts_get_visitor(ov), &err);
2678 if (err) {
2679 qmp_object_del(id, NULL);
2680 }
2681
2682 out:
2683 opts_visitor_cleanup(ov);
2684
2685 QDECREF(pdict);
2686 g_free(id);
2687 g_free(type);
2688 g_free(dummy);
2689 if (err) {
2690 qerror_report_err(err);
2691 error_free(err);
2692 return -1;
2693 }
2694 return 0;
2695 }
2696
2697 int main(int argc, char **argv, char **envp)
2698 {
2699 int i;
2700 int snapshot, linux_boot;
2701 const char *initrd_filename;
2702 const char *kernel_filename, *kernel_cmdline;
2703 const char *boot_order;
2704 DisplayState *ds;
2705 int cyls, heads, secs, translation;
2706 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2707 QemuOptsList *olist;
2708 int optind;
2709 const char *optarg;
2710 const char *loadvm = NULL;
2711 MachineClass *machine_class;
2712 const char *cpu_model;
2713 const char *vga_model = NULL;
2714 const char *qtest_chrdev = NULL;
2715 const char *qtest_log = NULL;
2716 const char *pid_file = NULL;
2717 const char *incoming = NULL;
2718 #ifdef CONFIG_VNC
2719 int show_vnc_port = 0;
2720 #endif
2721 bool defconfig = true;
2722 bool userconfig = true;
2723 const char *log_mask = NULL;
2724 const char *log_file = NULL;
2725 GMemVTable mem_trace = {
2726 .malloc = malloc_and_trace,
2727 .realloc = realloc_and_trace,
2728 .free = free_and_trace,
2729 };
2730 const char *trace_events = NULL;
2731 const char *trace_file = NULL;
2732 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2733 1024 * 1024;
2734 ram_addr_t maxram_size = default_ram_size;
2735 uint64_t ram_slots = 0;
2736 FILE *vmstate_dump_file = NULL;
2737 Error *main_loop_err = NULL;
2738
2739 atexit(qemu_run_exit_notifiers);
2740 error_set_progname(argv[0]);
2741 qemu_init_exec_dir(argv[0]);
2742
2743 g_mem_set_vtable(&mem_trace);
2744
2745 module_call_init(MODULE_INIT_QOM);
2746
2747 qemu_add_opts(&qemu_drive_opts);
2748 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2749 qemu_add_drive_opts(&qemu_common_drive_opts);
2750 qemu_add_drive_opts(&qemu_drive_opts);
2751 qemu_add_opts(&qemu_chardev_opts);
2752 qemu_add_opts(&qemu_device_opts);
2753 qemu_add_opts(&qemu_netdev_opts);
2754 qemu_add_opts(&qemu_net_opts);
2755 qemu_add_opts(&qemu_rtc_opts);
2756 qemu_add_opts(&qemu_global_opts);
2757 qemu_add_opts(&qemu_mon_opts);
2758 qemu_add_opts(&qemu_trace_opts);
2759 qemu_add_opts(&qemu_option_rom_opts);
2760 qemu_add_opts(&qemu_machine_opts);
2761 qemu_add_opts(&qemu_mem_opts);
2762 qemu_add_opts(&qemu_smp_opts);
2763 qemu_add_opts(&qemu_boot_opts);
2764 qemu_add_opts(&qemu_sandbox_opts);
2765 qemu_add_opts(&qemu_add_fd_opts);
2766 qemu_add_opts(&qemu_object_opts);
2767 qemu_add_opts(&qemu_tpmdev_opts);
2768 qemu_add_opts(&qemu_realtime_opts);
2769 qemu_add_opts(&qemu_msg_opts);
2770 qemu_add_opts(&qemu_name_opts);
2771 qemu_add_opts(&qemu_numa_opts);
2772 qemu_add_opts(&qemu_icount_opts);
2773
2774 runstate_init();
2775
2776 rtc_clock = QEMU_CLOCK_HOST;
2777
2778 QLIST_INIT (&vm_change_state_head);
2779 os_setup_early_signal_handling();
2780
2781 module_call_init(MODULE_INIT_MACHINE);
2782 machine_class = find_default_machine();
2783 cpu_model = NULL;
2784 ram_size = default_ram_size;
2785 snapshot = 0;
2786 cyls = heads = secs = 0;
2787 translation = BIOS_ATA_TRANSLATION_AUTO;
2788
2789 for (i = 0; i < MAX_NODES; i++) {
2790 numa_info[i].node_mem = 0;
2791 numa_info[i].present = false;
2792 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2793 }
2794
2795 nb_numa_nodes = 0;
2796 max_numa_nodeid = 0;
2797 nb_nics = 0;
2798
2799 bdrv_init_with_whitelist();
2800
2801 autostart = 1;
2802
2803 /* first pass of option parsing */
2804 optind = 1;
2805 while (optind < argc) {
2806 if (argv[optind][0] != '-') {
2807 /* disk image */
2808 optind++;
2809 } else {
2810 const QEMUOption *popt;
2811
2812 popt = lookup_opt(argc, argv, &optarg, &optind);
2813 switch (popt->index) {
2814 case QEMU_OPTION_nodefconfig:
2815 defconfig = false;
2816 break;
2817 case QEMU_OPTION_nouserconfig:
2818 userconfig = false;
2819 break;
2820 }
2821 }
2822 }
2823
2824 if (defconfig) {
2825 int ret;
2826 ret = qemu_read_default_config_files(userconfig);
2827 if (ret < 0) {
2828 exit(1);
2829 }
2830 }
2831
2832 /* second pass of option parsing */
2833 optind = 1;
2834 for(;;) {
2835 if (optind >= argc)
2836 break;
2837 if (argv[optind][0] != '-') {
2838 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2839 } else {
2840 const QEMUOption *popt;
2841
2842 popt = lookup_opt(argc, argv, &optarg, &optind);
2843 if (!(popt->arch_mask & arch_type)) {
2844 printf("Option %s not supported for this target\n", popt->name);
2845 exit(1);
2846 }
2847 switch(popt->index) {
2848 case QEMU_OPTION_M:
2849 machine_class = machine_parse(optarg);
2850 break;
2851 case QEMU_OPTION_no_kvm_irqchip: {
2852 olist = qemu_find_opts("machine");
2853 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2854 break;
2855 }
2856 case QEMU_OPTION_cpu:
2857 /* hw initialization will check this */
2858 cpu_model = optarg;
2859 break;
2860 case QEMU_OPTION_hda:
2861 {
2862 char buf[256];
2863 if (cyls == 0)
2864 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2865 else
2866 snprintf(buf, sizeof(buf),
2867 "%s,cyls=%d,heads=%d,secs=%d%s",
2868 HD_OPTS , cyls, heads, secs,
2869 translation == BIOS_ATA_TRANSLATION_LBA ?
2870 ",trans=lba" :
2871 translation == BIOS_ATA_TRANSLATION_NONE ?
2872 ",trans=none" : "");
2873 drive_add(IF_DEFAULT, 0, optarg, buf);
2874 break;
2875 }
2876 case QEMU_OPTION_hdb:
2877 case QEMU_OPTION_hdc:
2878 case QEMU_OPTION_hdd:
2879 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2880 HD_OPTS);
2881 break;
2882 case QEMU_OPTION_drive:
2883 if (drive_def(optarg) == NULL) {
2884 exit(1);
2885 }
2886 break;
2887 case QEMU_OPTION_set:
2888 if (qemu_set_option(optarg) != 0)
2889 exit(1);
2890 break;
2891 case QEMU_OPTION_global:
2892 if (qemu_global_option(optarg) != 0)
2893 exit(1);
2894 break;
2895 case QEMU_OPTION_mtdblock:
2896 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2897 break;
2898 case QEMU_OPTION_sd:
2899 drive_add(IF_SD, -1, optarg, SD_OPTS);
2900 break;
2901 case QEMU_OPTION_pflash:
2902 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2903 break;
2904 case QEMU_OPTION_snapshot:
2905 snapshot = 1;
2906 break;
2907 case QEMU_OPTION_hdachs:
2908 {
2909 const char *p;
2910 p = optarg;
2911 cyls = strtol(p, (char **)&p, 0);
2912 if (cyls < 1 || cyls > 16383)
2913 goto chs_fail;
2914 if (*p != ',')
2915 goto chs_fail;
2916 p++;
2917 heads = strtol(p, (char **)&p, 0);
2918 if (heads < 1 || heads > 16)
2919 goto chs_fail;
2920 if (*p != ',')
2921 goto chs_fail;
2922 p++;
2923 secs = strtol(p, (char **)&p, 0);
2924 if (secs < 1 || secs > 63)
2925 goto chs_fail;
2926 if (*p == ',') {
2927 p++;
2928 if (!strcmp(p, "large")) {
2929 translation = BIOS_ATA_TRANSLATION_LARGE;
2930 } else if (!strcmp(p, "rechs")) {
2931 translation = BIOS_ATA_TRANSLATION_RECHS;
2932 } else if (!strcmp(p, "none")) {
2933 translation = BIOS_ATA_TRANSLATION_NONE;
2934 } else if (!strcmp(p, "lba")) {
2935 translation = BIOS_ATA_TRANSLATION_LBA;
2936 } else if (!strcmp(p, "auto")) {
2937 translation = BIOS_ATA_TRANSLATION_AUTO;
2938 } else {
2939 goto chs_fail;
2940 }
2941 } else if (*p != '\0') {
2942 chs_fail:
2943 fprintf(stderr, "qemu: invalid physical CHS format\n");
2944 exit(1);
2945 }
2946 if (hda_opts != NULL) {
2947 char num[16];
2948 snprintf(num, sizeof(num), "%d", cyls);
2949 qemu_opt_set(hda_opts, "cyls", num);
2950 snprintf(num, sizeof(num), "%d", heads);
2951 qemu_opt_set(hda_opts, "heads", num);
2952 snprintf(num, sizeof(num), "%d", secs);
2953 qemu_opt_set(hda_opts, "secs", num);
2954 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2955 qemu_opt_set(hda_opts, "trans", "large");
2956 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2957 qemu_opt_set(hda_opts, "trans", "rechs");
2958 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
2959 qemu_opt_set(hda_opts, "trans", "lba");
2960 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
2961 qemu_opt_set(hda_opts, "trans", "none");
2962 }
2963 }
2964 }
2965 break;
2966 case QEMU_OPTION_numa:
2967 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
2968 if (!opts) {
2969 exit(1);
2970 }
2971 break;
2972 case QEMU_OPTION_display:
2973 display_type = select_display(optarg);
2974 break;
2975 case QEMU_OPTION_nographic:
2976 display_type = DT_NOGRAPHIC;
2977 break;
2978 case QEMU_OPTION_curses:
2979 #ifdef CONFIG_CURSES
2980 display_type = DT_CURSES;
2981 #else
2982 fprintf(stderr, "Curses support is disabled\n");
2983 exit(1);
2984 #endif
2985 break;
2986 case QEMU_OPTION_portrait:
2987 graphic_rotate = 90;
2988 break;
2989 case QEMU_OPTION_rotate:
2990 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2991 if (graphic_rotate != 0 && graphic_rotate != 90 &&
2992 graphic_rotate != 180 && graphic_rotate != 270) {
2993 fprintf(stderr,
2994 "qemu: only 90, 180, 270 deg rotation is available\n");
2995 exit(1);
2996 }
2997 break;
2998 case QEMU_OPTION_kernel:
2999 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3000 break;
3001 case QEMU_OPTION_initrd:
3002 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3003 break;
3004 case QEMU_OPTION_append:
3005 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3006 break;
3007 case QEMU_OPTION_dtb:
3008 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3009 break;
3010 case QEMU_OPTION_cdrom:
3011 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3012 break;
3013 case QEMU_OPTION_boot:
3014 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3015 if (!opts) {
3016 exit(1);
3017 }
3018 break;
3019 case QEMU_OPTION_fda:
3020 case QEMU_OPTION_fdb:
3021 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3022 optarg, FD_OPTS);
3023 break;
3024 case QEMU_OPTION_no_fd_bootchk:
3025 fd_bootchk = 0;
3026 break;
3027 case QEMU_OPTION_netdev:
3028 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3029 exit(1);
3030 }
3031 break;
3032 case QEMU_OPTION_net:
3033 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3034 exit(1);
3035 }
3036 break;
3037 #ifdef CONFIG_LIBISCSI
3038 case QEMU_OPTION_iscsi:
3039 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3040 if (!opts) {
3041 exit(1);
3042 }
3043 break;
3044 #endif
3045 #ifdef CONFIG_SLIRP
3046 case QEMU_OPTION_tftp:
3047 legacy_tftp_prefix = optarg;
3048 break;
3049 case QEMU_OPTION_bootp:
3050 legacy_bootp_filename = optarg;
3051 break;
3052 case QEMU_OPTION_redir:
3053 if (net_slirp_redir(optarg) < 0)
3054 exit(1);
3055 break;
3056 #endif
3057 case QEMU_OPTION_bt:
3058 add_device_config(DEV_BT, optarg);
3059 break;
3060 case QEMU_OPTION_audio_help:
3061 AUD_help ();
3062 exit (0);
3063 break;
3064 case QEMU_OPTION_soundhw:
3065 select_soundhw (optarg);
3066 break;
3067 case QEMU_OPTION_h:
3068 help(0);
3069 break;
3070 case QEMU_OPTION_version:
3071 version();
3072 exit(0);
3073 break;
3074 case QEMU_OPTION_m: {
3075 uint64_t sz;
3076 const char *mem_str;
3077 const char *maxmem_str, *slots_str;
3078
3079 opts = qemu_opts_parse(qemu_find_opts("memory"),
3080 optarg, 1);
3081 if (!opts) {
3082 exit(EXIT_FAILURE);
3083 }
3084
3085 mem_str = qemu_opt_get(opts, "size");
3086 if (!mem_str) {
3087 error_report("invalid -m option, missing 'size' option");
3088 exit(EXIT_FAILURE);
3089 }
3090 if (!*mem_str) {
3091 error_report("missing 'size' option value");
3092 exit(EXIT_FAILURE);
3093 }
3094
3095 sz = qemu_opt_get_size(opts, "size", ram_size);
3096
3097 /* Fix up legacy suffix-less format */
3098 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3099 uint64_t overflow_check = sz;
3100
3101 sz <<= 20;
3102 if ((sz >> 20) != overflow_check) {
3103 error_report("too large 'size' option value");
3104 exit(EXIT_FAILURE);
3105 }
3106 }
3107
3108 /* backward compatibility behaviour for case "-m 0" */
3109 if (sz == 0) {
3110 sz = default_ram_size;
3111 }
3112
3113 sz = QEMU_ALIGN_UP(sz, 8192);
3114 ram_size = sz;
3115 if (ram_size != sz) {
3116 error_report("ram size too large");
3117 exit(EXIT_FAILURE);
3118 }
3119 maxram_size = ram_size;
3120
3121 maxmem_str = qemu_opt_get(opts, "maxmem");
3122 slots_str = qemu_opt_get(opts, "slots");
3123 if (maxmem_str && slots_str) {
3124 uint64_t slots;
3125
3126 sz = qemu_opt_get_size(opts, "maxmem", 0);
3127 if (sz < ram_size) {
3128 error_report("invalid -m option value: maxmem "
3129 "(0x%" PRIx64 ") <= initial memory (0x"
3130 RAM_ADDR_FMT ")", sz, ram_size);
3131 exit(EXIT_FAILURE);
3132 }
3133
3134 slots = qemu_opt_get_number(opts, "slots", 0);
3135 if ((sz > ram_size) && !slots) {
3136 error_report("invalid -m option value: maxmem "
3137 "(0x%" PRIx64 ") more than initial memory (0x"
3138 RAM_ADDR_FMT ") but no hotplug slots where "
3139 "specified", sz, ram_size);
3140 exit(EXIT_FAILURE);
3141 }
3142
3143 if ((sz <= ram_size) && slots) {
3144 error_report("invalid -m option value: %"
3145 PRIu64 " hotplug slots where specified but "
3146 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3147 RAM_ADDR_FMT ")", slots, sz, ram_size);
3148 exit(EXIT_FAILURE);
3149 }
3150 maxram_size = sz;
3151 ram_slots = slots;
3152 } else if ((!maxmem_str && slots_str) ||
3153 (maxmem_str && !slots_str)) {
3154 error_report("invalid -m option value: missing "
3155 "'%s' option", slots_str ? "maxmem" : "slots");
3156 exit(EXIT_FAILURE);
3157 }
3158 break;
3159 }
3160 #ifdef CONFIG_TPM
3161 case QEMU_OPTION_tpmdev:
3162 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3163 exit(1);
3164 }
3165 break;
3166 #endif
3167 case QEMU_OPTION_mempath:
3168 mem_path = optarg;
3169 break;
3170 case QEMU_OPTION_mem_prealloc:
3171 mem_prealloc = 1;
3172 break;
3173 case QEMU_OPTION_d:
3174 log_mask = optarg;
3175 break;
3176 case QEMU_OPTION_D:
3177 log_file = optarg;
3178 break;
3179 case QEMU_OPTION_s:
3180 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3181 break;
3182 case QEMU_OPTION_gdb:
3183 add_device_config(DEV_GDB, optarg);
3184 break;
3185 case QEMU_OPTION_L:
3186 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3187 data_dir[data_dir_idx++] = optarg;
3188 }
3189 break;
3190 case QEMU_OPTION_bios:
3191 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3192 break;
3193 case QEMU_OPTION_singlestep:
3194 singlestep = 1;
3195 break;
3196 case QEMU_OPTION_S:
3197 autostart = 0;
3198 break;
3199 case QEMU_OPTION_k:
3200 keyboard_layout = optarg;
3201 break;
3202 case QEMU_OPTION_localtime:
3203 rtc_utc = 0;
3204 break;
3205 case QEMU_OPTION_vga:
3206 vga_model = optarg;
3207 default_vga = 0;
3208 break;
3209 case QEMU_OPTION_g:
3210 {
3211 const char *p;
3212 int w, h, depth;
3213 p = optarg;
3214 w = strtol(p, (char **)&p, 10);
3215 if (w <= 0) {
3216 graphic_error:
3217 fprintf(stderr, "qemu: invalid resolution or depth\n");
3218 exit(1);
3219 }
3220 if (*p != 'x')
3221 goto graphic_error;
3222 p++;
3223 h = strtol(p, (char **)&p, 10);
3224 if (h <= 0)
3225 goto graphic_error;
3226 if (*p == 'x') {
3227 p++;
3228 depth = strtol(p, (char **)&p, 10);
3229 if (depth != 8 && depth != 15 && depth != 16 &&
3230 depth != 24 && depth != 32)
3231 goto graphic_error;
3232 } else if (*p == '\0') {
3233 depth = graphic_depth;
3234 } else {
3235 goto graphic_error;
3236 }
3237
3238 graphic_width = w;
3239 graphic_height = h;
3240 graphic_depth = depth;
3241 }
3242 break;
3243 case QEMU_OPTION_echr:
3244 {
3245 char *r;
3246 term_escape_char = strtol(optarg, &r, 0);
3247 if (r == optarg)
3248 printf("Bad argument to echr\n");
3249 break;
3250 }
3251 case QEMU_OPTION_monitor:
3252 default_monitor = 0;
3253 if (strncmp(optarg, "none", 4)) {
3254 monitor_parse(optarg, "readline");
3255 }
3256 break;
3257 case QEMU_OPTION_qmp:
3258 monitor_parse(optarg, "control");
3259 default_monitor = 0;
3260 break;
3261 case QEMU_OPTION_mon:
3262 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3263 if (!opts) {
3264 exit(1);
3265 }
3266 default_monitor = 0;
3267 break;
3268 case QEMU_OPTION_chardev:
3269 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3270 if (!opts) {
3271 exit(1);
3272 }
3273 break;
3274 case QEMU_OPTION_fsdev:
3275 olist = qemu_find_opts("fsdev");
3276 if (!olist) {
3277 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3278 exit(1);
3279 }
3280 opts = qemu_opts_parse(olist, optarg, 1);
3281 if (!opts) {
3282 exit(1);
3283 }
3284 break;
3285 case QEMU_OPTION_virtfs: {
3286 QemuOpts *fsdev;
3287 QemuOpts *device;
3288 const char *writeout, *sock_fd, *socket;
3289
3290 olist = qemu_find_opts("virtfs");
3291 if (!olist) {
3292 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3293 exit(1);
3294 }
3295 opts = qemu_opts_parse(olist, optarg, 1);
3296 if (!opts) {
3297 exit(1);
3298 }
3299
3300 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3301 qemu_opt_get(opts, "mount_tag") == NULL) {
3302 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3303 exit(1);
3304 }
3305 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3306 qemu_opt_get(opts, "mount_tag"),
3307 1, NULL);
3308 if (!fsdev) {
3309 fprintf(stderr, "duplicate fsdev id: %s\n",
3310 qemu_opt_get(opts, "mount_tag"));
3311 exit(1);
3312 }
3313
3314 writeout = qemu_opt_get(opts, "writeout");
3315 if (writeout) {
3316 #ifdef CONFIG_SYNC_FILE_RANGE
3317 qemu_opt_set(fsdev, "writeout", writeout);
3318 #else
3319 fprintf(stderr, "writeout=immediate not supported on "
3320 "this platform\n");
3321 exit(1);
3322 #endif
3323 }
3324 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3325 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3326 qemu_opt_set(fsdev, "security_model",
3327 qemu_opt_get(opts, "security_model"));
3328 socket = qemu_opt_get(opts, "socket");
3329 if (socket) {
3330 qemu_opt_set(fsdev, "socket", socket);
3331 }
3332 sock_fd = qemu_opt_get(opts, "sock_fd");
3333 if (sock_fd) {
3334 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3335 }
3336
3337 qemu_opt_set_bool(fsdev, "readonly",
3338 qemu_opt_get_bool(opts, "readonly", 0));
3339 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3340 &error_abort);
3341 qemu_opt_set(device, "driver", "virtio-9p-pci");
3342 qemu_opt_set(device, "fsdev",
3343 qemu_opt_get(opts, "mount_tag"));
3344 qemu_opt_set(device, "mount_tag",
3345 qemu_opt_get(opts, "mount_tag"));
3346 break;
3347 }
3348 case QEMU_OPTION_virtfs_synth: {
3349 QemuOpts *fsdev;
3350 QemuOpts *device;
3351
3352 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3353 1, NULL);
3354 if (!fsdev) {
3355 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3356 exit(1);
3357 }
3358 qemu_opt_set(fsdev, "fsdriver", "synth");
3359
3360 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3361 &error_abort);
3362 qemu_opt_set(device, "driver", "virtio-9p-pci");
3363 qemu_opt_set(device, "fsdev", "v_synth");
3364 qemu_opt_set(device, "mount_tag", "v_synth");
3365 break;
3366 }
3367 case QEMU_OPTION_serial:
3368 add_device_config(DEV_SERIAL, optarg);
3369 default_serial = 0;
3370 if (strncmp(optarg, "mon:", 4) == 0) {
3371 default_monitor = 0;
3372 }
3373 break;
3374 case QEMU_OPTION_watchdog:
3375 if (watchdog) {
3376 fprintf(stderr,
3377 "qemu: only one watchdog option may be given\n");
3378 return 1;
3379 }
3380 watchdog = optarg;
3381 break;
3382 case QEMU_OPTION_watchdog_action:
3383 if (select_watchdog_action(optarg) == -1) {
3384 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3385 exit(1);
3386 }
3387 break;
3388 case QEMU_OPTION_virtiocon:
3389 add_device_config(DEV_VIRTCON, optarg);
3390 default_virtcon = 0;
3391 if (strncmp(optarg, "mon:", 4) == 0) {
3392 default_monitor = 0;
3393 }
3394 break;
3395 case QEMU_OPTION_parallel:
3396 add_device_config(DEV_PARALLEL, optarg);
3397 default_parallel = 0;
3398 if (strncmp(optarg, "mon:", 4) == 0) {
3399 default_monitor = 0;
3400 }
3401 break;
3402 case QEMU_OPTION_debugcon:
3403 add_device_config(DEV_DEBUGCON, optarg);
3404 break;
3405 case QEMU_OPTION_loadvm:
3406 loadvm = optarg;
3407 break;
3408 case QEMU_OPTION_full_screen:
3409 full_screen = 1;
3410 break;
3411 case QEMU_OPTION_no_frame:
3412 no_frame = 1;
3413 break;
3414 case QEMU_OPTION_alt_grab:
3415 alt_grab = 1;
3416 break;
3417 case QEMU_OPTION_ctrl_grab:
3418 ctrl_grab = 1;
3419 break;
3420 case QEMU_OPTION_no_quit:
3421 no_quit = 1;
3422 break;
3423 case QEMU_OPTION_sdl:
3424 #ifdef CONFIG_SDL
3425 display_type = DT_SDL;
3426 break;
3427 #else
3428 fprintf(stderr, "SDL support is disabled\n");
3429 exit(1);
3430 #endif
3431 case QEMU_OPTION_pidfile:
3432 pid_file = optarg;
3433 break;
3434 case QEMU_OPTION_win2k_hack:
3435 win2k_install_hack = 1;
3436 break;
3437 case QEMU_OPTION_rtc_td_hack: {
3438 static GlobalProperty slew_lost_ticks[] = {
3439 {
3440 .driver = "mc146818rtc",
3441 .property = "lost_tick_policy",
3442 .value = "slew",
3443 },
3444 { /* end of list */ }
3445 };
3446
3447 qdev_prop_register_global_list(slew_lost_ticks);
3448 break;
3449 }
3450 case QEMU_OPTION_acpitable:
3451 opts = qemu_opts_parse(qemu_find_opts("acpi"), optarg, 1);
3452 if (!opts) {
3453 exit(1);
3454 }
3455 do_acpitable_option(opts);
3456 break;
3457 case QEMU_OPTION_smbios:
3458 opts = qemu_opts_parse(qemu_find_opts("smbios"), optarg, 0);
3459 if (!opts) {
3460 exit(1);
3461 }
3462 do_smbios_option(opts);
3463 break;
3464 case QEMU_OPTION_enable_kvm:
3465 olist = qemu_find_opts("machine");
3466 qemu_opts_parse(olist, "accel=kvm", 0);
3467 break;
3468 case QEMU_OPTION_machine:
3469 olist = qemu_find_opts("machine");
3470 opts = qemu_opts_parse(olist, optarg, 1);
3471 if (!opts) {
3472 exit(1);
3473 }
3474 optarg = qemu_opt_get(opts, "type");
3475 if (optarg) {
3476 machine_class = machine_parse(optarg);
3477 }
3478 break;
3479 case QEMU_OPTION_no_kvm:
3480 olist = qemu_find_opts("machine");
3481 qemu_opts_parse(olist, "accel=tcg", 0);
3482 break;
3483 case QEMU_OPTION_no_kvm_pit: {
3484 fprintf(stderr, "Warning: KVM PIT can no longer be disabled "
3485 "separately.\n");
3486 break;
3487 }
3488 case QEMU_OPTION_no_kvm_pit_reinjection: {
3489 static GlobalProperty kvm_pit_lost_tick_policy[] = {
3490 {
3491 .driver = "kvm-pit",
3492 .property = "lost_tick_policy",
3493 .value = "discard",
3494 },
3495 { /* end of list */ }
3496 };
3497
3498 fprintf(stderr, "Warning: option deprecated, use "
3499 "lost_tick_policy property of kvm-pit instead.\n");
3500 qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
3501 break;
3502 }
3503 case QEMU_OPTION_usb:
3504 olist = qemu_find_opts("machine");
3505 qemu_opts_parse(olist, "usb=on", 0);
3506 break;
3507 case QEMU_OPTION_usbdevice:
3508 olist = qemu_find_opts("machine");
3509 qemu_opts_parse(olist, "usb=on", 0);
3510 add_device_config(DEV_USB, optarg);
3511 break;
3512 case QEMU_OPTION_device:
3513 if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
3514 exit(1);
3515 }
3516 break;
3517 case QEMU_OPTION_smp:
3518 if (!qemu_opts_parse(qemu_find_opts("smp-opts"), optarg, 1)) {
3519 exit(1);
3520 }
3521 break;
3522 case QEMU_OPTION_vnc:
3523 #ifdef CONFIG_VNC
3524 display_remote++;
3525 vnc_display = optarg;
3526 #else
3527 fprintf(stderr, "VNC support is disabled\n");
3528 exit(1);
3529 #endif
3530 break;
3531 case QEMU_OPTION_no_acpi:
3532 acpi_enabled = 0;
3533 break;
3534 case QEMU_OPTION_no_hpet:
3535 no_hpet = 1;
3536 break;
3537 case QEMU_OPTION_balloon:
3538 if (balloon_parse(optarg) < 0) {
3539 fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3540 exit(1);
3541 }
3542 break;
3543 case QEMU_OPTION_no_reboot:
3544 no_reboot = 1;
3545 break;
3546 case QEMU_OPTION_no_shutdown:
3547 no_shutdown = 1;
3548 break;
3549 case QEMU_OPTION_show_cursor:
3550 cursor_hide = 0;
3551 break;
3552 case QEMU_OPTION_uuid:
3553 if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3554 fprintf(stderr, "Fail to parse UUID string."
3555 " Wrong format.\n");
3556 exit(1);
3557 }
3558 qemu_uuid_set = true;
3559 break;
3560 case QEMU_OPTION_option_rom:
3561 if (nb_option_roms >= MAX_OPTION_ROMS) {
3562 fprintf(stderr, "Too many option ROMs\n");
3563 exit(1);
3564 }
3565 opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3566 if (!opts) {
3567 exit(1);
3568 }
3569 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3570 option_rom[nb_option_roms].bootindex =
3571 qemu_opt_get_number(opts, "bootindex", -1);
3572 if (!option_rom[nb_option_roms].name) {
3573 fprintf(stderr, "Option ROM file is not specified\n");
3574 exit(1);
3575 }
3576 nb_option_roms++;
3577 break;
3578 case QEMU_OPTION_semihosting:
3579 semihosting_enabled = 1;
3580 break;
3581 case QEMU_OPTION_tdf:
3582 fprintf(stderr, "Warning: user space PIT time drift fix "
3583 "is no longer supported.\n");
3584 break;
3585 case QEMU_OPTION_name:
3586 opts = qemu_opts_parse(qemu_find_opts("name"), optarg, 1);
3587 if (!opts) {
3588 exit(1);
3589 }
3590 break;
3591 case QEMU_OPTION_prom_env:
3592 if (nb_prom_envs >= MAX_PROM_ENVS) {
3593 fprintf(stderr, "Too many prom variables\n");
3594 exit(1);
3595 }
3596 prom_envs[nb_prom_envs] = optarg;
3597 nb_prom_envs++;
3598 break;
3599 case QEMU_OPTION_old_param:
3600 old_param = 1;
3601 break;
3602 case QEMU_OPTION_clock:
3603 /* Clock options no longer exist. Keep this option for
3604 * backward compatibility.
3605 */
3606 break;
3607 case QEMU_OPTION_startdate:
3608 configure_rtc_date_offset(optarg, 1);
3609 break;
3610 case QEMU_OPTION_rtc:
3611 opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3612 if (!opts) {
3613 exit(1);
3614 }
3615 configure_rtc(opts);
3616 break;
3617 case QEMU_OPTION_tb_size:
3618 tcg_tb_size = strtol(optarg, NULL, 0);
3619 if (tcg_tb_size < 0) {
3620 tcg_tb_size = 0;
3621 }
3622 break;
3623 case QEMU_OPTION_icount:
3624 icount_opts = qemu_opts_parse(qemu_find_opts("icount"),
3625 optarg, 1);
3626 if (!icount_opts) {
3627 exit(1);
3628 }
3629 break;
3630 case QEMU_OPTION_incoming:
3631 incoming = optarg;
3632 runstate_set(RUN_STATE_INMIGRATE);
3633 break;
3634 case QEMU_OPTION_nodefaults:
3635 has_defaults = 0;
3636 break;
3637 case QEMU_OPTION_xen_domid:
3638 if (!(xen_available())) {
3639 printf("Option %s not supported for this target\n", popt->name);
3640 exit(1);
3641 }
3642 xen_domid = atoi(optarg);
3643 break;
3644 case QEMU_OPTION_xen_create:
3645 if (!(xen_available())) {
3646 printf("Option %s not supported for this target\n", popt->name);
3647 exit(1);
3648 }
3649 xen_mode = XEN_CREATE;
3650 break;
3651 case QEMU_OPTION_xen_attach:
3652 if (!(xen_available())) {
3653 printf("Option %s not supported for this target\n", popt->name);
3654 exit(1);
3655 }
3656 xen_mode = XEN_ATTACH;
3657 break;
3658 case QEMU_OPTION_trace:
3659 {
3660 opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3661 if (!opts) {
3662 exit(1);
3663 }
3664 trace_events = qemu_opt_get(opts, "events");
3665 trace_file = qemu_opt_get(opts, "file");
3666 break;
3667 }
3668 case QEMU_OPTION_readconfig:
3669 {
3670 int ret = qemu_read_config_file(optarg);
3671 if (ret < 0) {
3672 fprintf(stderr, "read config %s: %s\n", optarg,
3673 strerror(-ret));
3674 exit(1);
3675 }
3676 break;
3677 }
3678 case QEMU_OPTION_spice:
3679 olist = qemu_find_opts("spice");
3680 if (!olist) {
3681 fprintf(stderr, "spice is not supported by this qemu build.\n");
3682 exit(1);
3683 }
3684 opts = qemu_opts_parse(olist, optarg, 0);
3685 if (!opts) {
3686 exit(1);
3687 }
3688 display_remote++;
3689 break;
3690 case QEMU_OPTION_writeconfig:
3691 {
3692 FILE *fp;
3693 if (strcmp(optarg, "-") == 0) {
3694 fp = stdout;
3695 } else {
3696 fp = fopen(optarg, "w");
3697 if (fp == NULL) {
3698 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3699 exit(1);
3700 }
3701 }
3702 qemu_config_write(fp);
3703 if (fp != stdout) {
3704 fclose(fp);
3705 }
3706 break;
3707 }
3708 case QEMU_OPTION_qtest:
3709 qtest_chrdev = optarg;
3710 break;
3711 case QEMU_OPTION_qtest_log:
3712 qtest_log = optarg;
3713 break;
3714 case QEMU_OPTION_sandbox:
3715 opts = qemu_opts_parse(qemu_find_opts("sandbox"), optarg, 1);
3716 if (!opts) {
3717 exit(1);
3718 }
3719 break;
3720 case QEMU_OPTION_add_fd:
3721 #ifndef _WIN32
3722 opts = qemu_opts_parse(qemu_find_opts("add-fd"), optarg, 0);
3723 if (!opts) {
3724 exit(1);
3725 }
3726 #else
3727 error_report("File descriptor passing is disabled on this "
3728 "platform");
3729 exit(1);
3730 #endif
3731 break;
3732 case QEMU_OPTION_object:
3733 opts = qemu_opts_parse(qemu_find_opts("object"), optarg, 1);
3734 if (!opts) {
3735 exit(1);
3736 }
3737 break;
3738 case QEMU_OPTION_realtime:
3739 opts = qemu_opts_parse(qemu_find_opts("realtime"), optarg, 0);
3740 if (!opts) {
3741 exit(1);
3742 }
3743 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
3744 break;
3745 case QEMU_OPTION_msg:
3746 opts = qemu_opts_parse(qemu_find_opts("msg"), optarg, 0);
3747 if (!opts) {
3748 exit(1);
3749 }
3750 configure_msg(opts);
3751 break;
3752 case QEMU_OPTION_dump_vmstate:
3753 if (vmstate_dump_file) {
3754 fprintf(stderr, "qemu: only one '-dump-vmstate' "
3755 "option may be given\n");
3756 exit(1);
3757 }
3758 vmstate_dump_file = fopen(optarg, "w");
3759 if (vmstate_dump_file == NULL) {
3760 fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3761 exit(1);
3762 }
3763 break;
3764 default:
3765 os_parse_cmd_args(popt->index, optarg);
3766 }
3767 }
3768 }
3769 loc_set_none();
3770
3771 os_daemonize();
3772
3773 if (qemu_init_main_loop(&main_loop_err)) {
3774 error_report("%s", error_get_pretty(main_loop_err));
3775 exit(1);
3776 }
3777
3778 if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL, 0)) {
3779 exit(1);
3780 }
3781
3782 if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL, 1)) {
3783 exit(1);
3784 }
3785
3786 #ifndef _WIN32
3787 if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL, 1)) {
3788 exit(1);
3789 }
3790
3791 if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL, 1)) {
3792 exit(1);
3793 }
3794 #endif
3795
3796 if (machine_class == NULL) {
3797 fprintf(stderr, "No machine specified, and there is no default.\n"
3798 "Use -machine help to list supported machines!\n");
3799 exit(1);
3800 }
3801
3802 current_machine = MACHINE(object_new(object_class_get_name(
3803 OBJECT_CLASS(machine_class))));
3804 object_property_add_child(object_get_root(), "machine",
3805 OBJECT(current_machine), &error_abort);
3806 cpu_exec_init_all();
3807
3808 if (machine_class->hw_version) {
3809 qemu_set_version(machine_class->hw_version);
3810 }
3811
3812 /* Init CPU def lists, based on config
3813 * - Must be called after all the qemu_read_config_file() calls
3814 * - Must be called before list_cpus()
3815 * - Must be called before machine->init()
3816 */
3817 cpudef_init();
3818
3819 if (cpu_model && is_help_option(cpu_model)) {
3820 list_cpus(stdout, &fprintf, cpu_model);
3821 exit(0);
3822 }
3823
3824 /* Open the logfile at this point, if necessary. We can't open the logfile
3825 * when encountering either of the logging options (-d or -D) because the
3826 * other one may be encountered later on the command line, changing the
3827 * location or level of logging.
3828 */
3829 if (log_mask) {
3830 int mask;
3831 if (log_file) {
3832 qemu_set_log_filename(log_file);
3833 }
3834
3835 mask = qemu_str_to_log_mask(log_mask);
3836 if (!mask) {
3837 qemu_print_log_usage(stdout);
3838 exit(1);
3839 }
3840 qemu_set_log(mask);
3841 }
3842
3843 if (!is_daemonized()) {
3844 if (!trace_init_backends(trace_events, trace_file)) {
3845 exit(1);
3846 }
3847 }
3848
3849 /* If no data_dir is specified then try to find it relative to the
3850 executable path. */
3851 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3852 data_dir[data_dir_idx] = os_find_datadir();
3853 if (data_dir[data_dir_idx] != NULL) {
3854 data_dir_idx++;
3855 }
3856 }
3857 /* If all else fails use the install path specified when building. */
3858 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3859 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
3860 }
3861
3862 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
3863
3864 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
3865 if (smp_cpus > machine_class->max_cpus) {
3866 fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3867 "supported by machine `%s' (%d)\n", smp_cpus,
3868 machine_class->name, machine_class->max_cpus);
3869 exit(1);
3870 }
3871
3872 /*
3873 * Get the default machine options from the machine if it is not already
3874 * specified either by the configuration file or by the command line.
3875 */
3876 if (machine_class->default_machine_opts) {
3877 qemu_opts_set_defaults(qemu_find_opts("machine"),
3878 machine_class->default_machine_opts, 0);
3879 }
3880
3881 qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3882 qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3883
3884 if (!vga_model && !default_vga) {
3885 vga_interface_type = VGA_DEVICE;
3886 }
3887 if (!has_defaults || machine_class->no_serial) {
3888 default_serial = 0;
3889 }
3890 if (!has_defaults || machine_class->no_parallel) {
3891 default_parallel = 0;
3892 }
3893 if (!has_defaults || !machine_class->use_virtcon) {
3894 default_virtcon = 0;
3895 }
3896 if (!has_defaults || !machine_class->use_sclp) {
3897 default_sclp = 0;
3898 }
3899 if (!has_defaults || machine_class->no_floppy) {
3900 default_floppy = 0;
3901 }
3902 if (!has_defaults || machine_class->no_cdrom) {
3903 default_cdrom = 0;
3904 }
3905 if (!has_defaults || machine_class->no_sdcard) {
3906 default_sdcard = 0;
3907 }
3908 if (!has_defaults) {
3909 default_monitor = 0;
3910 default_net = 0;
3911 default_vga = 0;
3912 }
3913
3914 if (is_daemonized()) {
3915 /* According to documentation and historically, -nographic redirects
3916 * serial port, parallel port and monitor to stdio, which does not work
3917 * with -daemonize. We can redirect these to null instead, but since
3918 * -nographic is legacy, let's just error out.
3919 * We disallow -nographic only if all other ports are not redirected
3920 * explicitly, to not break existing legacy setups which uses
3921 * -nographic _and_ redirects all ports explicitly - this is valid
3922 * usage, -nographic is just a no-op in this case.
3923 */
3924 if (display_type == DT_NOGRAPHIC
3925 && (default_parallel || default_serial
3926 || default_monitor || default_virtcon)) {
3927 fprintf(stderr, "-nographic can not be used with -daemonize\n");
3928 exit(1);
3929 }
3930 #ifdef CONFIG_CURSES
3931 if (display_type == DT_CURSES) {
3932 fprintf(stderr, "curses display can not be used with -daemonize\n");
3933 exit(1);
3934 }
3935 #endif
3936 }
3937
3938 if (display_type == DT_NOGRAPHIC) {
3939 if (default_parallel)
3940 add_device_config(DEV_PARALLEL, "null");
3941 if (default_serial && default_monitor) {
3942 add_device_config(DEV_SERIAL, "mon:stdio");
3943 } else if (default_virtcon && default_monitor) {
3944 add_device_config(DEV_VIRTCON, "mon:stdio");
3945 } else if (default_sclp && default_monitor) {
3946 add_device_config(DEV_SCLP, "mon:stdio");
3947 } else {
3948 if (default_serial)
3949 add_device_config(DEV_SERIAL, "stdio");
3950 if (default_virtcon)
3951 add_device_config(DEV_VIRTCON, "stdio");
3952 if (default_sclp) {
3953 add_device_config(DEV_SCLP, "stdio");
3954 }
3955 if (default_monitor)
3956 monitor_parse("stdio", "readline");
3957 }
3958 } else {
3959 if (default_serial)
3960 add_device_config(DEV_SERIAL, "vc:80Cx24C");
3961 if (default_parallel)
3962 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3963 if (default_monitor)
3964 monitor_parse("vc:80Cx24C", "readline");
3965 if (default_virtcon)
3966 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3967 if (default_sclp) {
3968 add_device_config(DEV_SCLP, "vc:80Cx24C");
3969 }
3970 }
3971
3972 if (display_type == DT_DEFAULT && !display_remote) {
3973 #if defined(CONFIG_GTK)
3974 display_type = DT_GTK;
3975 #elif defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3976 display_type = DT_SDL;
3977 #elif defined(CONFIG_VNC)
3978 vnc_display = "localhost:0,to=99";
3979 show_vnc_port = 1;
3980 #else
3981 display_type = DT_NONE;
3982 #endif
3983 }
3984
3985 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
3986 fprintf(stderr, "-no-frame, -alt-grab and -ctrl-grab are only valid "
3987 "for SDL, ignoring option\n");
3988 }
3989 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
3990 fprintf(stderr, "-no-quit is only valid for GTK and SDL, "
3991 "ignoring option\n");
3992 }
3993
3994 #if defined(CONFIG_GTK)
3995 if (display_type == DT_GTK) {
3996 early_gtk_display_init();
3997 }
3998 #endif
3999
4000 socket_init();
4001
4002 if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
4003 exit(1);
4004 #ifdef CONFIG_VIRTFS
4005 if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
4006 exit(1);
4007 }
4008 #endif
4009
4010 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4011 os_pidfile_error();
4012 exit(1);
4013 }
4014
4015 /* store value for the future use */
4016 qemu_opt_set_number(qemu_find_opts_singleton("memory"), "size", ram_size);
4017
4018 if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0)
4019 != 0) {
4020 exit(0);
4021 }
4022
4023 if (qemu_opts_foreach(qemu_find_opts("object"),
4024 object_create, NULL, 0) != 0) {
4025 exit(1);
4026 }
4027
4028 machine_opts = qemu_get_machine_opts();
4029 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4030 1) < 0) {
4031 object_unref(OBJECT(current_machine));
4032 exit(1);
4033 }
4034
4035 configure_accelerator(current_machine);
4036
4037 if (qtest_chrdev) {
4038 Error *local_err = NULL;
4039 qtest_init(qtest_chrdev, qtest_log, &local_err);
4040 if (local_err) {
4041 error_report("%s", error_get_pretty(local_err));
4042 error_free(local_err);
4043 exit(1);
4044 }
4045 }
4046
4047 machine_opts = qemu_get_machine_opts();
4048 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4049 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4050 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4051 bios_name = qemu_opt_get(machine_opts, "firmware");
4052
4053 boot_order = machine_class->default_boot_order;
4054 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4055 if (opts) {
4056 char *normal_boot_order;
4057 const char *order, *once;
4058
4059 order = qemu_opt_get(opts, "order");
4060 if (order) {
4061 validate_bootdevices(order);
4062 boot_order = order;
4063 }
4064
4065 once = qemu_opt_get(opts, "once");
4066 if (once) {
4067 validate_bootdevices(once);
4068 normal_boot_order = g_strdup(boot_order);
4069 boot_order = once;
4070 qemu_register_reset(restore_boot_order, normal_boot_order);
4071 }
4072
4073 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4074 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4075 }
4076
4077 if (!kernel_cmdline) {
4078 kernel_cmdline = "";
4079 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4080 }
4081
4082 linux_boot = (kernel_filename != NULL);
4083
4084 if (!linux_boot && *kernel_cmdline != '\0') {
4085 fprintf(stderr, "-append only allowed with -kernel option\n");
4086 exit(1);
4087 }
4088
4089 if (!linux_boot && initrd_filename != NULL) {
4090 fprintf(stderr, "-initrd only allowed with -kernel option\n");
4091 exit(1);
4092 }
4093
4094 if (!linux_boot && qemu_opt_get(machine_opts, "dtb")) {
4095 fprintf(stderr, "-dtb only allowed with -kernel option\n");
4096 exit(1);
4097 }
4098
4099 os_set_line_buffering();
4100
4101 qemu_init_cpu_loop();
4102 qemu_mutex_lock_iothread();
4103
4104 #ifdef CONFIG_SPICE
4105 /* spice needs the timers to be initialized by this point */
4106 qemu_spice_init();
4107 #endif
4108
4109 cpu_ticks_init();
4110 if (icount_opts) {
4111 if (kvm_enabled() || xen_enabled()) {
4112 fprintf(stderr, "-icount is not allowed with kvm or xen\n");
4113 exit(1);
4114 }
4115 configure_icount(icount_opts, &error_abort);
4116 qemu_opts_del(icount_opts);
4117 }
4118
4119 /* clean up network at qemu process termination */
4120 atexit(&net_cleanup);
4121
4122 if (net_init_clients() < 0) {
4123 exit(1);
4124 }
4125
4126 #ifdef CONFIG_TPM
4127 if (tpm_init() < 0) {
4128 exit(1);
4129 }
4130 #endif
4131
4132 /* init the bluetooth world */
4133 if (foreach_device_config(DEV_BT, bt_parse))
4134 exit(1);
4135
4136 if (!xen_enabled()) {
4137 /* On 32-bit hosts, QEMU is limited by virtual address space */
4138 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4139 fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
4140 exit(1);
4141 }
4142 }
4143
4144 blk_mig_init();
4145 ram_mig_init();
4146
4147 /* If the currently selected machine wishes to override the units-per-bus
4148 * property of its default HBA interface type, do so now. */
4149 if (machine_class->units_per_default_bus) {
4150 override_max_devs(machine_class->block_default_type,
4151 machine_class->units_per_default_bus);
4152 }
4153
4154 /* open the virtual block devices */
4155 if (snapshot)
4156 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
4157 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4158 &machine_class->block_default_type, 1) != 0) {
4159 exit(1);
4160 }
4161
4162 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4163 CDROM_OPTS);
4164 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4165 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4166
4167 if (qemu_opts_foreach(qemu_find_opts("numa"), numa_init_func,
4168 NULL, 1) != 0) {
4169 exit(1);
4170 }
4171
4172 set_numa_nodes();
4173
4174 if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
4175 exit(1);
4176 }
4177
4178 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4179 exit(1);
4180 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4181 exit(1);
4182 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4183 exit(1);
4184 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4185 exit(1);
4186 }
4187 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4188 exit(1);
4189
4190 /* If no default VGA is requested, the default is "none". */
4191 if (default_vga) {
4192 if (cirrus_vga_available()) {
4193 vga_model = "cirrus";
4194 } else if (vga_available()) {
4195 vga_model = "std";
4196 }
4197 }
4198 if (vga_model) {
4199 select_vgahw(vga_model);
4200 }
4201
4202 if (watchdog) {
4203 i = select_watchdog(watchdog);
4204 if (i > 0)
4205 exit (i == 1 ? 1 : 0);
4206 }
4207
4208 if (machine_class->compat_props) {
4209 qdev_prop_register_global_list(machine_class->compat_props);
4210 }
4211 qemu_add_globals();
4212
4213 qdev_machine_init();
4214
4215 current_machine->ram_size = ram_size;
4216 current_machine->maxram_size = maxram_size;
4217 current_machine->ram_slots = ram_slots;
4218 current_machine->boot_order = boot_order;
4219 current_machine->cpu_model = cpu_model;
4220
4221 machine_class->init(current_machine);
4222
4223 realtime_init();
4224
4225 audio_init();
4226
4227 cpu_synchronize_all_post_init();
4228
4229 set_numa_modes();
4230
4231 /* init USB devices */
4232 if (usb_enabled(false)) {
4233 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4234 exit(1);
4235 }
4236
4237 /* init generic devices */
4238 if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
4239 exit(1);
4240
4241 /* Did we create any drives that we failed to create a device for? */
4242 drive_check_orphaned();
4243
4244 net_check_clients();
4245
4246 ds = init_displaystate();
4247
4248 /* init local displays */
4249 switch (display_type) {
4250 case DT_NOGRAPHIC:
4251 (void)ds; /* avoid warning if no display is configured */
4252 break;
4253 #if defined(CONFIG_CURSES)
4254 case DT_CURSES:
4255 curses_display_init(ds, full_screen);
4256 break;
4257 #endif
4258 #if defined(CONFIG_SDL)
4259 case DT_SDL:
4260 sdl_display_init(ds, full_screen, no_frame);
4261 break;
4262 #elif defined(CONFIG_COCOA)
4263 case DT_SDL:
4264 cocoa_display_init(ds, full_screen);
4265 break;
4266 #endif
4267 #if defined(CONFIG_GTK)
4268 case DT_GTK:
4269 gtk_display_init(ds, full_screen, grab_on_hover);
4270 break;
4271 #endif
4272 default:
4273 break;
4274 }
4275
4276 /* must be after terminal init, SDL library changes signal handlers */
4277 os_setup_signal_handling();
4278
4279 #ifdef CONFIG_VNC
4280 /* init remote displays */
4281 if (vnc_display) {
4282 Error *local_err = NULL;
4283 vnc_display_init(ds);
4284 vnc_display_open(ds, vnc_display, &local_err);
4285 if (local_err != NULL) {
4286 error_report("Failed to start VNC server on `%s': %s",
4287 vnc_display, error_get_pretty(local_err));
4288 error_free(local_err);
4289 exit(1);
4290 }
4291
4292 if (show_vnc_port) {
4293 printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
4294 }
4295 }
4296 #endif
4297 #ifdef CONFIG_SPICE
4298 if (using_spice) {
4299 qemu_spice_display_init();
4300 }
4301 #endif
4302
4303 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4304 exit(1);
4305 }
4306
4307 qdev_machine_creation_done();
4308
4309 if (rom_load_all() != 0) {
4310 fprintf(stderr, "rom loading failed\n");
4311 exit(1);
4312 }
4313
4314 /* TODO: once all bus devices are qdevified, this should be done
4315 * when bus is created by qdev.c */
4316 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4317 qemu_run_machine_init_done_notifiers();
4318
4319 /* Done notifiers can load ROMs */
4320 rom_load_done();
4321
4322 qemu_system_reset(VMRESET_SILENT);
4323 if (loadvm) {
4324 if (load_vmstate(loadvm) < 0) {
4325 autostart = 0;
4326 }
4327 }
4328
4329 qdev_prop_check_globals();
4330 if (vmstate_dump_file) {
4331 /* dump and exit */
4332 dump_vmstate_json_to_file(vmstate_dump_file);
4333 return 0;
4334 }
4335
4336 if (incoming) {
4337 Error *local_err = NULL;
4338 qemu_start_incoming_migration(incoming, &local_err);
4339 if (local_err) {
4340 error_report("-incoming %s: %s", incoming,
4341 error_get_pretty(local_err));
4342 error_free(local_err);
4343 exit(1);
4344 }
4345 } else if (autostart) {
4346 vm_start();
4347 }
4348
4349 os_setup_post();
4350
4351 if (is_daemonized()) {
4352 if (!trace_init_backends(trace_events, trace_file)) {
4353 exit(1);
4354 }
4355 }
4356
4357 main_loop();
4358 bdrv_close_all();
4359 pause_all_vcpus();
4360 res_free();
4361 #ifdef CONFIG_TPM
4362 tpm_cleanup();
4363 #endif
4364
4365 return 0;
4366 }
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